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2023-05-05ALSA: pcm: use exit controlled loop in snd_pcm_playback_silence()Oswald Buddenhagen1-2/+2
We already know that `frames` is greater than zero, because we just checked it. So we don't need to check the loop condition on the first iteration. Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de> Link: https://lore.kernel.org/r/20230505155244.2312199-7-oswald.buddenhagen@gmx.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
2023-05-05ALSA: pcm: simplify top-up mode init in snd_pcm_playback_silence()Oswald Buddenhagen1-7/+24
Inline the remaining call of snd_pcm_playback_hw_avail(). This makes the top-up branch more congruent with the thresholded one, and allows simplifying the handling of the corner cases. Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de> Link: https://lore.kernel.org/r/20230505155244.2312199-6-oswald.buddenhagen@gmx.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
2023-05-05ALSA: pcm: playback silence - move silence variable updates to separate functionJaroslav Kysela1-20/+22
The code tracking the added samples in thresholded mode and the code tracking the just played samples in top-up mode are semantically identical, so factor it out to a common function to enhance readability. Co-developed-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de> Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz> Link: https://lore.kernel.org/r/20230505155244.2312199-5-oswald.buddenhagen@gmx.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
2023-05-05ALSA: pcm: playback silence - remove extra codeJaroslav Kysela1-2/+0
The removed condition handles de facto only one situation where runtime->silence_filled variable is equal to runtime->buffer_size, because this variable cannot go over the buffer size. This case is implicitly caught by the required comparison of the noise distance with the threshold. Suggested-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz> Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de> Link: https://lore.kernel.org/r/20230505155244.2312199-4-oswald.buddenhagen@gmx.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
2023-05-05ALSA: pcm: fix playback silence - correct incremental silencingJaroslav Kysela1-7/+3
Commit 9a826ddba6e ("[ALSA] pcm core: fix silence_start calculations") came with exactly the right commit message, but the patch just made things broken in a different way: We'd fill at a too low address if the area was already partially zeroed, so we'd under-fill. This affected both thresholded mode (where it was somewhat less likely) and top-up mode (where it would be the case consistently). Co-developed-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de> Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz> Link: https://lore.kernel.org/r/20230505155244.2312199-3-oswald.buddenhagen@gmx.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
2023-05-05ALSA: pcm: fix playback silence - use the actual new_hw_ptr for the threshold modeJaroslav Kysela1-1/+9
The snd_pcm_playback_hw_avail() function uses runtime->status->hw_ptr. Unfortunately, in case when we call this function from snd_pcm_update_hw_ptr0(), this variable contains the previous hardware pointer. Use the new_hw_ptr argument to calculate hw_avail (filled samples by the user space) to correct the threshold comparison. The new_hw_ptr argument may also be set to ULONG_MAX which means the initialization phase. In this case, use runtime->status->hw_ptr. Suggested-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz> Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de> Link: https://lore.kernel.org/r/20230505155244.2312199-2-oswald.buddenhagen@gmx.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
2023-05-05ALSA: pcm: Revert "ALSA: pcm: rewrite snd_pcm_playback_silence()"Jaroslav Kysela3-40/+59
This reverts commit 9f656705c5faa18afb26d922cfc64f9fd103c38d. There was a regression (in the top-up mode). Unfortunately, the patch provided from the author of this commit is not easy to review. Keep the updated and new comments in headers. Also add a new comment that documents the missed API constraint which led to the regression. Reported-by: Jeff Chua <jeff.chua.linux@gmail.com> Link: https://lore.kernel.org/r/CAAJw_ZsbTVd3Es373x_wTNDF7RknGhCD0r+NKUSwAO7HpLAkYA@mail.gmail.com Signed-off-by: Jaroslav Kysela <perex@perex.cz> Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de> Link: https://lore.kernel.org/r/20230505155244.2312199-1-oswald.buddenhagen@gmx.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
2023-05-05ALSA: hda/realtek: Fix mute and micmute LEDs for an HP laptopKai-Heng Feng1-0/+1
There's another laptop that needs the fixup to enable mute and micmute LEDs. So do it accordingly. Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20230505125925.543601-1-kai.heng.feng@canonical.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
2023-05-05ftrace: Add MODIFIED flag to show if IPMODIFY or direct was attachedSteven Rostedt (Google)3-4/+37
If a function had ever had IPMODIFY or DIRECT attached to it, where this is how live kernel patching and BPF overrides work, mark them and display an "M" in the enabled_functions and touched_functions files. This can be used for debugging. If a function had been modified and later there's a bug in the code related to that function, this can be used to know if the cause is possibly from a live kernel patch or a BPF program that changed the behavior of the code. Also update the documentation on the enabled_functions and touched_functions output, as it was missing direct callers and CALL_OPS. And include this new modify attribute. Link: https://lore.kernel.org/linux-trace-kernel/20230502213233.004e3ae4@gandalf.local.home Cc: Mark Rutland <mark.rutland@arm.com> Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2023-05-05MAINTAINERS: remove section INTEL MENLOW THERMAL DRIVERLukas Bulwahn1-6/+0
Commit 2b6a7409ac39 ("thermal: intel: menlow: Get rid of this driver") removes the driver drivers/thermal/intel/intel_menlow.c, but misses to remove its reference in MAINTAINERS. Hence, ./scripts/get_maintainer.pl --self-test=patterns complains about a broken reference. Remove the INTEL MENLOW THERMAL DRIVER section in MAINTAINERS. Fixes: 2b6a7409ac39 ("thermal: intel: menlow: Get rid of this driver") Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2023-05-05MAINTAINERS: add Conor as a dt-bindings maintainerConor Dooley1-0/+1
Rob asked if I would be interested in helping with the dt-bindings maintenance, and since I am a glutton for punishment I accepted. Signed-off-by: Conor Dooley <conor.dooley@microchip.com> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20230504-renderer-alive-1c01d431b2a7@spud Signed-off-by: Rob Herring <robh@kernel.org>
2023-05-05net: bcmgenet: Remove phy_stop() from bcmgenet_netif_stop()Florian Fainelli1-1/+0
The call to phy_stop() races with the later call to phy_disconnect(), resulting in concurrent phy_suspend() calls being run from different CPUs. The final call to phy_disconnect() ensures that the PHY is stopped and suspended, too. Fixes: c96e731c93ff ("net: bcmgenet: connect and disconnect from the PHY state machine") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-05pds_core: fix mutex double unlock in error pathShannon Nelson1-8/+13
Fix a double unlock in an error handling path by unlocking as soon as the error is seen and removing unlocks in the error cleanup path. Link: https://lore.kernel.org/kernel-janitors/209a09f6-5ec6-40c7-a5ec-6260d8f54d25@kili.mountain/ Fixes: 523847df1b37 ("pds_core: add devcmd device interfaces") Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Shannon Nelson <shannon.nelson@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-05net/sched: flower: fix error handler on replaceVlad Buslov1-1/+2
When replacing a filter (i.e. 'fold' pointer is not NULL) the insertion of new filter to idr is postponed until later in code since handle is already provided by the user. However, the error handling code in fl_change() always assumes that the new filter had been inserted into idr. If error handler is reached when replacing existing filter it may remove it from idr therefore making it unreachable for delete or dump afterwards. Fix the issue by verifying that 'fold' argument wasn't provided by caller before calling idr_remove(). Fixes: 08a0063df3ae ("net/sched: flower: Move filter handle initialization earlier") Signed-off-by: Vlad Buslov <vladbu@nvidia.com> Reviewed-by: Pedro Tammela <pctammela@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-05Revert "net/sched: flower: Fix wrong handle assignment during filter change"Vlad Buslov1-1/+1
This reverts commit 32eff6bacec2cb574677c15378169a9fa30043ef. Superseded by the following commit in this series. Signed-off-by: Vlad Buslov <vladbu@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-05net/sched: flower: fix filter idr initializationVlad Buslov1-3/+3
The cited commit moved idr initialization too early in fl_change() which allows concurrent users to access the filter that is still being initialized and is in inconsistent state, which, in turn, can cause NULL pointer dereference [0]. Since there is no obvious way to fix the ordering without reverting the whole cited commit, alternative approach taken to first insert NULL pointer into idr in order to allocate the handle but still cause fl_get() to return NULL and prevent concurrent users from seeing the filter while providing miss-to-action infrastructure with valid handle id early in fl_change(). [ 152.434728] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN [ 152.436163] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 152.437269] CPU: 4 PID: 3877 Comm: tc Not tainted 6.3.0-rc4+ #5 [ 152.438110] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 [ 152.439644] RIP: 0010:fl_dump_key+0x8b/0x1d10 [cls_flower] [ 152.440461] Code: 01 f2 02 f2 c7 40 08 04 f2 04 f2 c7 40 0c 04 f3 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 84 24 00 01 00 00 48 89 c8 48 c1 e8 03 <0f> b6 04 10 84 c0 74 08 3c 03 0f 8e 98 19 00 00 8b 13 85 d2 74 57 [ 152.442885] RSP: 0018:ffff88817a28f158 EFLAGS: 00010246 [ 152.443851] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 152.444826] RDX: dffffc0000000000 RSI: ffffffff8500ae80 RDI: ffff88810a987900 [ 152.445791] RBP: ffff888179d88240 R08: ffff888179d8845c R09: ffff888179d88240 [ 152.446780] R10: ffffed102f451e48 R11: 00000000fffffff2 R12: ffff88810a987900 [ 152.447741] R13: ffffffff8500ae80 R14: ffff88810a987900 R15: ffff888149b3c738 [ 152.448756] FS: 00007f5eb2a34800(0000) GS:ffff88881ec00000(0000) knlGS:0000000000000000 [ 152.449888] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 152.450685] CR2: 000000000046ad19 CR3: 000000010b0bd006 CR4: 0000000000370ea0 [ 152.451641] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 152.452628] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 152.453588] Call Trace: [ 152.454032] <TASK> [ 152.454447] ? netlink_sendmsg+0x7a1/0xcb0 [ 152.455109] ? sock_sendmsg+0xc5/0x190 [ 152.455689] ? ____sys_sendmsg+0x535/0x6b0 [ 152.456320] ? ___sys_sendmsg+0xeb/0x170 [ 152.456916] ? do_syscall_64+0x3d/0x90 [ 152.457529] ? entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 152.458321] ? ___sys_sendmsg+0xeb/0x170 [ 152.458958] ? __sys_sendmsg+0xb5/0x140 [ 152.459564] ? do_syscall_64+0x3d/0x90 [ 152.460122] ? entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 152.460852] ? fl_dump_key_options.part.0+0xea0/0xea0 [cls_flower] [ 152.461710] ? _raw_spin_lock+0x7a/0xd0 [ 152.462299] ? _raw_read_lock_irq+0x30/0x30 [ 152.462924] ? nla_put+0x15e/0x1c0 [ 152.463480] fl_dump+0x228/0x650 [cls_flower] [ 152.464112] ? fl_tmplt_dump+0x210/0x210 [cls_flower] [ 152.464854] ? __kmem_cache_alloc_node+0x1a7/0x330 [ 152.465592] ? nla_put+0x15e/0x1c0 [ 152.466160] tcf_fill_node+0x515/0x9a0 [ 152.466766] ? tc_setup_offload_action+0xf0/0xf0 [ 152.467463] ? __alloc_skb+0x13c/0x2a0 [ 152.468067] ? __build_skb_around+0x330/0x330 [ 152.468814] ? fl_get+0x107/0x1a0 [cls_flower] [ 152.469503] tc_del_tfilter+0x718/0x1330 [ 152.470115] ? is_bpf_text_address+0xa/0x20 [ 152.470765] ? tc_ctl_chain+0xee0/0xee0 [ 152.471335] ? __kernel_text_address+0xe/0x30 [ 152.471948] ? unwind_get_return_address+0x56/0xa0 [ 152.472639] ? __thaw_task+0x150/0x150 [ 152.473218] ? arch_stack_walk+0x98/0xf0 [ 152.473839] ? __stack_depot_save+0x35/0x4c0 [ 152.474501] ? stack_trace_save+0x91/0xc0 [ 152.475119] ? security_capable+0x51/0x90 [ 152.475741] rtnetlink_rcv_msg+0x2c1/0x9d0 [ 152.476387] ? rtnl_calcit.isra.0+0x2b0/0x2b0 [ 152.477042] ? __sys_sendmsg+0xb5/0x140 [ 152.477664] ? do_syscall_64+0x3d/0x90 [ 152.478255] ? entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 152.479010] ? __stack_depot_save+0x35/0x4c0 [ 152.479679] ? __stack_depot_save+0x35/0x4c0 [ 152.480346] netlink_rcv_skb+0x12c/0x360 [ 152.480929] ? rtnl_calcit.isra.0+0x2b0/0x2b0 [ 152.481517] ? do_syscall_64+0x3d/0x90 [ 152.482061] ? netlink_ack+0x1550/0x1550 [ 152.482612] ? rhashtable_walk_peek+0x170/0x170 [ 152.483262] ? kmem_cache_alloc_node+0x1af/0x390 [ 152.483875] ? _copy_from_iter+0x3d6/0xc70 [ 152.484528] netlink_unicast+0x553/0x790 [ 152.485168] ? netlink_attachskb+0x6a0/0x6a0 [ 152.485848] ? unwind_next_frame+0x11cc/0x1a10 [ 152.486538] ? arch_stack_walk+0x61/0xf0 [ 152.487169] netlink_sendmsg+0x7a1/0xcb0 [ 152.487799] ? netlink_unicast+0x790/0x790 [ 152.488355] ? iovec_from_user.part.0+0x4d/0x220 [ 152.488990] ? _raw_spin_lock+0x7a/0xd0 [ 152.489598] ? netlink_unicast+0x790/0x790 [ 152.490236] sock_sendmsg+0xc5/0x190 [ 152.490796] ____sys_sendmsg+0x535/0x6b0 [ 152.491394] ? import_iovec+0x7/0x10 [ 152.491964] ? kernel_sendmsg+0x30/0x30 [ 152.492561] ? __copy_msghdr+0x3c0/0x3c0 [ 152.493160] ? do_syscall_64+0x3d/0x90 [ 152.493706] ___sys_sendmsg+0xeb/0x170 [ 152.494283] ? may_open_dev+0xd0/0xd0 [ 152.494858] ? copy_msghdr_from_user+0x110/0x110 [ 152.495541] ? __handle_mm_fault+0x2678/0x4ad0 [ 152.496205] ? copy_page_range+0x2360/0x2360 [ 152.496862] ? __fget_light+0x57/0x520 [ 152.497449] ? mas_find+0x1c0/0x1c0 [ 152.498026] ? sockfd_lookup_light+0x1a/0x140 [ 152.498703] __sys_sendmsg+0xb5/0x140 [ 152.499306] ? __sys_sendmsg_sock+0x20/0x20 [ 152.499951] ? do_user_addr_fault+0x369/0xd80 [ 152.500595] do_syscall_64+0x3d/0x90 [ 152.501185] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 152.501917] RIP: 0033:0x7f5eb294f887 [ 152.502494] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 152.505008] RSP: 002b:00007ffd2c708f78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 152.506152] RAX: ffffffffffffffda RBX: 00000000642d9472 RCX: 00007f5eb294f887 [ 152.507134] RDX: 0000000000000000 RSI: 00007ffd2c708fe0 RDI: 0000000000000003 [ 152.508113] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 152.509119] R10: 00007f5eb2808708 R11: 0000000000000246 R12: 0000000000000001 [ 152.510068] R13: 0000000000000000 R14: 00007ffd2c70d1b8 R15: 0000000000485400 [ 152.511031] </TASK> [ 152.511444] Modules linked in: cls_flower sch_ingress openvswitch nsh mlx5_vdpa vringh vhost_iotlb vdpa mlx5_ib mlx5_core rpcrdma rdma_ucm ib_iser libiscsi scsi_transport_iscsi ib_umad rdma_cm ib_ipoib iw_cm ib_cm ib_uverbs ib_core xt_conntrack xt_MASQUERADE nf_conntrack_netlink nfnetlink xt_addrtype iptable_nat nf_nat br_netfilter overlay zram zsmalloc fuse [last unloaded: mlx5_core] [ 152.515720] ---[ end trace 0000000000000000 ]--- Fixes: 08a0063df3ae ("net/sched: flower: Move filter handle initialization earlier") Signed-off-by: Vlad Buslov <vladbu@nvidia.com> Reviewed-by: Pedro Tammela <pctammela@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-05net: fec: correct the counting of XDP sent framesShenwei Wang1-4/+9
In the current xdp_xmit implementation, if any single frame fails to transmit due to insufficient buffer descriptors, the function nevertheless reports success in sending all frames. This results in erroneously indicating that frames were transmitted when in fact they were dropped. This patch fixes the issue by ensureing the return value properly indicates the actual number of frames successfully transmitted, rather than potentially reporting success for all frames when some could not transmit. Fixes: 6d6b39f180b8 ("net: fec: add initial XDP support") Signed-off-by: Gagandeep Singh <g.singh@nxp.com> Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-05bonding: add xdp_features supportLorenzo Bianconi3-0/+32
Introduce xdp_features support for bonding driver according to the slave devices attached to the master one. xdp_features is required whenever we want to xdp_redirect traffic into a bond device and then into selected slaves attached to it. Reviewed-by: Simon Horman <simon.horman@corigine.com> Acked-by: Jay Vosburgh <jay.vosburgh@canonical.com> Fixes: 66c0e13ad236 ("drivers: net: turn on XDP features") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Reviewed-by: Jussi Maki <joamaki@gmail.com> Tested-by: Jussi Maki <joamaki@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-05net: enetc: check the index of the SFI rather than the handleWei Fang1-1/+1
We should check whether the current SFI (Stream Filter Instance) table is full before creating a new SFI entry. However, the previous logic checks the handle by mistake and might lead to unpredictable behavior. Fixes: 888ae5a3952b ("net: enetc: add tc flower psfp offload driver") Signed-off-by: Wei Fang <wei.fang@nxp.com> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-05sfc: Add back mailing listMartin Habets1-0/+1
We used to have a mailing list in the MAINTAINERS file, but removed this when we became part of Xilinx as it stopped working. Now inside AMD we have the list again. Add it back so patches will be seen by all sfc developers. Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-05virtio_net: suppress cpu stall when free_unused_bufsWenliang Wang1-0/+2
For multi-queue and large ring-size use case, the following error occurred when free_unused_bufs: rcu: INFO: rcu_sched self-detected stall on CPU. Fixes: 986a4f4d452d ("virtio_net: multiqueue support") Signed-off-by: Wenliang Wang <wangwenliang.1995@bytedance.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-05ice: block LAN in case of VF to VF offloadMichal Swiatkowski1-1/+2
VF to VF traffic shouldn't go outside. To enforce it, set only the loopback enable bit in case of all ingress type rules added via the tc tool. Fixes: 0d08a441fb1a ("ice: ndo_setup_tc implementation for PF") Reported-by: Sujai Buvaneswaran <Sujai.Buvaneswaran@intel.com> Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com> Tested-by: George Kuruvinakunnel <george.kuruvinakunnel@intel.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-05net: dsa: mt7530: fix network connectivity with multiple CPU portsArınç ÜNAL1-3/+7
On mt753x_cpu_port_enable() there's code that enables flooding for the CPU port only. Since mt753x_cpu_port_enable() runs twice when both CPU ports are enabled, port 6 becomes the only port to forward the frames to. But port 5 is the active port, so no frames received from the user ports will be forwarded to port 5 which breaks network connectivity. Every bit of the BC_FFP, UNM_FFP, and UNU_FFP bits represents a port. Fix this issue by setting the bit that corresponds to the CPU port without overwriting the other bits. Clear the bits beforehand only for the MT7531 switch. According to the documents MT7621 Giga Switch Programming Guide v0.3 and MT7531 Reference Manual for Development Board v1.0, after reset, the BC_FFP, UNM_FFP, and UNU_FFP bits are set to 1 for MT7531, 0 for MT7530. The commit 5e5502e012b8 ("net: dsa: mt7530: fix roaming from DSA user ports") silently changed the method to set the bits on the MT7530_MFC. Instead of clearing the relevant bits before mt7530_cpu_port_enable() which runs under a for loop, the commit started doing it on mt7530_cpu_port_enable(). Back then, this didn't really matter as only a single CPU port could be used since the CPU port number was hardcoded. The driver was later changed with commit 1f9a6abecf53 ("net: dsa: mt7530: get cpu-port via dp->cpu_dp instead of constant") to retrieve the CPU port via dp->cpu_dp. With that, this silent change became an issue for when using multiple CPU ports. Fixes: 5e5502e012b8 ("net: dsa: mt7530: fix roaming from DSA user ports") Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-05net: dsa: mt7530: fix corrupt frames using trgmii on 40 MHz XTAL MT7621Arınç ÜNAL1-2/+2
The multi-chip module MT7530 switch with a 40 MHz oscillator on the MT7621AT, MT7621DAT, and MT7621ST SoCs forwards corrupt frames using trgmii. This is caused by the assumption that MT7621 SoCs have got 150 MHz PLL, hence using the ncpo1 value, 0x0780. My testing shows this value works on Unielec U7621-06, Bartel's testing shows it won't work on Hi-Link HLK-MT7621A and Netgear WAC104. All devices tested have got 40 MHz oscillators. Using the value for 125 MHz PLL, 0x0640, works on all boards at hand. The definitions for 125 MHz PLL exist on the Banana Pi BPI-R2 BSP source code whilst 150 MHz PLL don't. Forwarding frames using trgmii on the MCM MT7530 switch with a 25 MHz oscillator on the said MT7621 SoCs works fine because the ncpo1 value defined for it is for 125 MHz PLL. Change the 150 MHz PLL comment to 125 MHz PLL, and use the 125 MHz PLL ncpo1 values for both oscillator frequencies. Link: https://github.com/BPI-SINOVOIP/BPI-R2-bsp/blob/81d24bbce7d99524d0771a8bdb2d6663e4eb4faa/u-boot-mt/drivers/net/rt2880_eth.c#L2195 Fixes: 7ef6f6f8d237 ("net: dsa: mt7530: Add MT7621 TRGMII mode support") Tested-by: Bartel Eerdekens <bartel.eerdekens@constell8.be> Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-04dt-bindings: perf: riscv,pmu: fix property dependenciesConor Dooley1-1/+0
Seemingly I mis-implemented the dependencies here. The OpenSBI docs only point out that the "riscv,event-to-mhpmcounters property is mandatory if riscv,event-to-mhpmevent is present". It never claims that riscv,event-to-mhpmcounters requires riscv,event-to-mhpmevent. Drop the dependency of riscv,event-to-mhpmcounters on riscv,event-to-mhpmevent. Fixes: 7e38085d9c59 ("dt-bindings: riscv: add SBI PMU event mappings") Signed-off-by: Conor Dooley <conor.dooley@microchip.com> Reviewed-by: Atish Patra <atishp@rivosinc.com> Link: https://lore.kernel.org/r/20230404-tractor-confusing-8852e552539a@spud Signed-off-by: Rob Herring <robh@kernel.org>
2023-05-049p: Remove INET dependencyJason Andryuk9-8/+3
9pfs can run over assorted transports, so it doesn't have an INET dependency. Drop it and remove the includes of linux/inet.h. NET_9P_FD/trans_fd.o builds without INET or UNIX and is usable over plain file descriptors. However, tcp and unix functionality is still built and would generate runtime failures if used. Add imply INET and UNIX to NET_9P_FD, so functionality is enabled by default but can still be explicitly disabled. This allows configuring 9pfs over Xen with INET and UNIX disabled. Signed-off-by: Jason Andryuk <jandryuk@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-04dt-bindings: xilinx: Remove Naga from memory and mtd bindingsMichal Simek3-3/+1
Naga is no longer works for AMD/Xilinx and there is no activity from him to continue to maintain Xilinx related drivers. Two drivers have Miquel as maintainer and for the last one add myself instead to be kept in a loop if there is any change required. Signed-off-by: Michal Simek <michal.simek@amd.com> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/6b4cdc7158599b4a38409a03eda56e38975b6233.1683103250.git.michal.simek@amd.com Signed-off-by: Rob Herring <robh@kernel.org>
2023-05-04thermal: intel: powerclamp: Fix NULL pointer access issueSrinivas Pandruvada1-0/+4
If cur_state for the powerclamp cooling device is set to the default minimum state of 0, without setting first to cur_state > 0, this results in NULL pointer access. This NULL pointer access happens in the powercap core idle-inject function idle_inject_set_duration() as there is no NULL check for idle_inject_device pointer. This pointer must be allocated by calling idle_inject_register() or idle_inject_register_full(). In the function powerclamp_set_cur_state(), idle_inject_device pointer is allocated only when the cur_state > 0. But setting 0 without changing to any other state, idle_inject_set_duration() will be called with a NULL idle_inject_device pointer. To address this, just return from powerclamp_set_cur_state() if the current cooling device state is the same as the last one. Since the power-up default cooling device state is 0, changing the state to 0 again here will return without calling idle_inject_set_duration(). Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Fixes: 8526eb7fc75a ("thermal: intel: powerclamp: Use powercap idle-inject feature") Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=217386 Tested-by: Risto A. Paju <teknohog@iki.fi> Cc: 6.3+ <stable@kernel.org> # 6.3+ Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2023-05-04ACPI: video: Remove acpi_backlight=video quirk for Lenovo ThinkPad W530Hans de Goede1-14/+0
Remove the acpi_backlight=video quirk for Lenovo ThinkPad W530. This was intended to help users of the (unsupported) Nvidia binary driver, but this has been reported to cause backlight control issues for users who have the gfx configured in hybrid (dual-GPU) mode, so drop this. The Nvidia binary driver should call acpi_video_register_backlight() when necessary and this has been reported to Nvidia. Until this is fixed Nvidia binary driver users can work around this by passing "acpi_backlight=video" on the kernel commandline (with the latest 6.1.y or newer stable series, kernels < 6.1.y don't need this). Fixes: a5b2781dcab2 ("ACPI: video: Add acpi_backlight=video quirk for Lenovo ThinkPad W530") Reported-by: Русев Путин <rockeraliexpress@gmail.com> Link: https://lore.kernel.org/linux-acpi/CAK4BXn0ngZRmzx1bodAF8nmYj0PWdUXzPGHofRrsyZj8MBpcVA@mail.gmail.com/ Cc: 6.1+ <stable@vger.kernel.org> # 6.1+ Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2023-05-04phy: mediatek: hdmi: mt8195: fix wrong pll calculusGuillaume Ranquet1-2/+2
The clock rate calculus in mtk_hdmi_pll_calc() was wrong when it has been replaced by 'div_u64'. Fix the issue by multiplying the values in the denominator instead of dividing them. Fixes: 45810d486bb44 ("phy: mediatek: add support for phy-mtk-hdmi-mt8195") Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: Guillaume Ranquet <granquet@baylibre.com> Link: https://lore.kernel.org/r/20230413-fixes-for-mt8195-hdmi-phy-v2-2-bbad62e64321@baylibre.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2023-05-04phy: mediatek: hdmi: mt8195: fix uninitialized variable usage in pll_calcGuillaume Ranquet1-6/+2
The ret variable in mtk_hdmi_pll_calc() was used unitialized as reported by the kernel test robot. Fix the issue by removing the variable altogether and testing out the return value of mtk_hdmi_pll_set_hw() Fixes: 45810d486bb44 ("phy: mediatek: add support for phy-mtk-hdmi-mt8195") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Guillaume Ranquet <granquet@baylibre.com> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/20230413-fixes-for-mt8195-hdmi-phy-v2-1-bbad62e64321@baylibre.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2023-05-04KVM: s390: fix race in gmap_make_secure()Claudio Imbrenda1-21/+11
Fix a potential race in gmap_make_secure() and remove the last user of follow_page() without FOLL_GET. The old code is locking something it doesn't have a reference to, and as explained by Jason and David in this discussion: https://lore.kernel.org/linux-mm/Y9J4P%2FRNvY1Ztn0Q@nvidia.com/ it can lead to all kind of bad things, including the page getting unmapped (MADV_DONTNEED), freed, reallocated as a larger folio and the unlock_page() would target the wrong bit. There is also another race with the FOLL_WRITE, which could race between the follow_page() and the get_locked_pte(). The main point is to remove the last use of follow_page() without FOLL_GET or FOLL_PIN, removing the races can be considered a nice bonus. Link: https://lore.kernel.org/linux-mm/Y9J4P%2FRNvY1Ztn0Q@nvidia.com/ Suggested-by: Jason Gunthorpe <jgg@nvidia.com> Fixes: 214d9bbcd3a6 ("s390/mm: provide memory management functions for protected KVM guests") Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com> Message-Id: <20230428092753.27913-2-imbrenda@linux.ibm.com>
2023-05-04KVM: s390: pv: fix asynchronous teardown for small VMsClaudio Imbrenda2-0/+12
On machines without the Destroy Secure Configuration Fast UVC, the topmost level of page tables is set aside and freed asynchronously as last step of the asynchronous teardown. Each gmap has a host_to_guest radix tree mapping host (userspace) addresses (with 1M granularity) to gmap segment table entries (pmds). If a guest is smaller than 2GB, the topmost level of page tables is the segment table (i.e. there are only 2 levels). Replacing it means that the pointers in the host_to_guest mapping would become stale and cause all kinds of nasty issues. This patch fixes the issue by disallowing asynchronous teardown for guests with only 2 levels of page tables. Userspace should (and already does) try using the normal destroy if the asynchronous one fails. Update s390_replace_asce so it refuses to replace segment type ASCEs. This is still needed in case the normal destroy VM fails. Fixes: fb491d5500a7 ("KVM: s390: pv: asynchronous destroy for reboot") Reviewed-by: Marc Hartmayer <mhartmay@linux.ibm.com> Reviewed-by: Janosch Frank <frankja@linux.ibm.com> Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com> Message-Id: <20230421085036.52511-2-imbrenda@linux.ibm.com>
2023-05-04ALSA: caiaq: input: Add error handling for unsupported input methods in `snd_usb_caiaq_input_init`Ruliang Lin1-0/+1
Smatch complains that: snd_usb_caiaq_input_init() warn: missing error code 'ret' This patch adds a new case to handle the situation where the device does not support any input methods in the `snd_usb_caiaq_input_init` function. It returns an `-EINVAL` error code to indicate that no input methods are supported on the device. Fixes: 523f1dce3743 ("[ALSA] Add Native Instrument usb audio device support") Signed-off-by: Ruliang Lin <u202112092@hust.edu.cn> Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn> Acked-by: Daniel Mack <daniel@zonque.org> Link: https://lore.kernel.org/r/20230504065054.3309-1-u202112092@hust.edu.cn Signed-off-by: Takashi Iwai <tiwai@suse.de>
2023-05-04ALSA: usb-audio: Add quirk for Pioneer DDJ-800Geraldo Nascimento1-0/+58
One more Pioneer quirk, this time for DDJ-800, which is quite similar like other DJ DDJ models but with slightly different EPs or channels. Signed-off-by: Geraldo Nascimento <geraldogabriel@gmail.com> Tested-by: Grégory Desor <gregory.desor@free.fr> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/ZFLLzgEcsSF5aIHG@geday Signed-off-by: Takashi Iwai <tiwai@suse.de>
2023-05-04ALSA: hda/realtek: support HP Pavilion Aero 13-be0xxx Mute LEDCaleb Harper1-0/+1
This patch adds support for the mute LED on the HP Pavilion Aero Laptop 13-be0xxx. The current behavior is that the LED does not turn on at any time and does not indicate to the user whether the sound is muted. The solution is to add a PCI quirk to properly recognize and support the LED on this device. This change has been tested on the device in question using modified versions of kernels 6.0.7-6.2.12 on Arch Linux. Signed-off-by: Caleb Harper <calebharp2005@gmail.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20230503175026.6796-1-calebharp2005@gmail.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
2023-05-03ksmbd: call rcu_barrier() in ksmbd_server_exit()Namjae Jeon1-0/+1
racy issue is triggered the bug by racing between closing a connection and rmmod. In ksmbd, rcu_barrier() is not called at module unload time, so nothing prevents ksmbd from getting unloaded while it still has RCU callbacks pending. It leads to trigger unintended execution of kernel code locally and use to defeat protections such as Kernel Lockdown Cc: stable@vger.kernel.org Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-20477 Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
2023-05-03ksmbd: fix racy issue under cocurrent smb2 tree disconnectNamjae Jeon3-2/+14
There is UAF issue under cocurrent smb2 tree disconnect. This patch introduce TREE_CONN_EXPIRE flags for tcon to avoid cocurrent access. Cc: stable@vger.kernel.org Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-20592 Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
2023-05-03ksmbd: fix racy issue from smb2 close and logoff with multichannelNamjae Jeon5-32/+101
When smb client send concurrent smb2 close and logoff request with multichannel connection, It can cause racy issue. logoff request free tcon and can cause UAF issues in smb2 close. When receiving logoff request with multichannel, ksmbd should wait until all remaning requests complete as well as ones in the current connection, and then make session expired. Cc: stable@vger.kernel.org Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-20796 ZDI-CAN-20595 Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
2023-05-03ksmbd: not allow guest user on multichannelNamjae Jeon1-2/+9
This patch return STATUS_NOT_SUPPORTED if binding session is guest. Cc: stable@vger.kernel.org Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-20480 Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
2023-05-03ksmbd: fix deadlock in ksmbd_find_crypto_ctx()Namjae Jeon1-8/+11
Deadlock is triggered by sending multiple concurrent session setup requests. It should be reused after releasing when getting ctx for crypto. Multiple consecutive ctx uses cause deadlock while waiting for releasing due to the limited number of ctx. Cc: stable@vger.kernel.org Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-20591 Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
2023-05-03ksmbd: block asynchronous requests when making a delay on session setupNamjae Jeon1-1/+4
ksmbd make a delay of 5 seconds on session setup to avoid dictionary attacks. But the 5 seconds delay can be bypassed by using asynchronous requests. This patch block all requests on current connection when making a delay on sesstion setup failure. Cc: stable@vger.kernel.org Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-20482 Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
2023-05-03ksmbd: destroy expired sessionsNamjae Jeon4-31/+41
client can indefinitely send smb2 session setup requests with the SessionId set to 0, thus indefinitely spawning new sessions, and causing indefinite memory usage. This patch limit to the number of sessions using expired timeout and session state. Cc: stable@vger.kernel.org Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-20478 Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
2023-05-03ksmbd: fix racy issue from session setup and logoffNamjae Jeon6-49/+77
This racy issue is triggered by sending concurrent session setup and logoff requests. This patch does not set connection status as KSMBD_SESS_GOOD if state is KSMBD_SESS_NEED_RECONNECT in session setup. And relookup session to validate if session is deleted in logoff. Cc: stable@vger.kernel.org Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-20481, ZDI-CAN-20590, ZDI-CAN-20596 Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
2023-05-03ksmbd: fix NULL pointer dereference in smb2_get_info_filesystem()Namjae Jeon1-0/+3
If share is , share->path is NULL and it cause NULL pointer dereference issue. Cc: stable@vger.kernel.org Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-20479 Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
2023-05-03ksmbd: fix memleak in session setupNamjae Jeon1-0/+4
If client send session setup request with unknown NTLMSSP message type, session that does not included channel can be created. It will cause session memleak. because ksmbd_sessions_deregister() does not destroy session if channel is not included. This patch return error response if client send the request unknown NTLMSSP message type. Cc: stable@vger.kernel.org Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-20593 Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
2023-05-03drm/amdgpu: drop redundant sched job cleanup when cs is abortedGuchun Chen1-10/+3
Once command submission failed due to userptr invalidation in amdgpu_cs_submit, legacy code will perform cleanup of scheduler job. However, it's not needed at all, as former commit has integrated job cleanup stuff into amdgpu_job_free. Otherwise, because of double free, a NULL pointer dereference will occur in such scenario. Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2457 Fixes: f7d66fb2ea43 ("drm/amdgpu: cleanup scheduler job initialization v2") Signed-off-by: Guchun Chen <guchun.chen@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2023-05-03drm/amd/display: filter out invalid bits in pipe_fusesSamson Tam2-2/+18
[Why] Reading pipe_fuses from register may have invalid bits set, which may affect the num_pipes erroneously. [How] Add read_pipes_fuses() call and filter bits based on expected number of pipes. Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com> Acked-by: Alan Liu <HaoPing.Liu@amd.com> Signed-off-by: Samson Tam <Samson.Tam@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org # 6.1.x
2023-05-03drm/amd/display: Change default Z8 watermark valuesLeo Chen1-2/+2
[Why & How] Previous Z8 watermark values were causing flickering and OTC underflow. Updating Z8 watermark values based on the measurement. Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com> Cc: Mario Limonciello <mario.limonciello@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Acked-by: Alan Liu <HaoPing.Liu@amd.com> Signed-off-by: Leo Chen <sancchen@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-05-03drm/amdgpu: disable SDMA WPTR_POLL_ENABLE for SR-IOVHorace Chen1-4/+1
[Why] This WPTR_POLL_ENABLE is a hardware contigious polling which will cause FCLK and UCLK to keep on a high level. Mostly its case can be covered by F32_WPTR_POLL_ENABLE which polls by firmware. So to save power, SR-IOV also needs to disable this bit Signed-off-by: Horace Chen <horace.chen@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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