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2019-04-29scsi: qedf: remove set but not used variablesYueHaibing1-9/+1
Fixes gcc '-Wunused-but-set-variable' warnings: drivers/scsi/qedf/qedf_els.c: In function 'qedf_process_els_compl': drivers/scsi/qedf/qedf_els.c:149:20: warning: variable 'sc_cmd' set but not used [-Wunused-but-set-variable] drivers/scsi/qedf/qedf_els.c:148:28: warning: variable 'task_ctx' set but not used [-Wunused-but-set-variable] drivers/scsi/qedf/qedf_els.c: In function 'qedf_send_srr': drivers/scsi/qedf/qedf_els.c:612:6: warning: variable 'sid' set but not used [-Wunused-but-set-variable] They are never used since introduction. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Acked-by: Saurav Kashyap <skashyap@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-29scsi: qedf: Update the driver version to 8.37.25.20Saurav Kashyap1-2/+2
Update the driver version to 8.37.25.20. Signed-off-by: Saurav Kashyap <skashyap@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-29scsi: qedf: Add return value to log message if scsi_add_host failsSaurav Kashyap1-2/+3
Print return value of scsi_add_host on failure. Signed-off-by: Saurav Kashyap <skashyap@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-29scsi: qedf: Print fcport information on wait for upload timeoutSaurav Kashyap1-3/+5
Log fcport for which upload failed. Signed-off-by: Saurav Kashyap <skashyap@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-29scsi: qedf: Check the return value of start_xmitSaurav Kashyap2-3/+21
Log the reason for start xmit failure. Signed-off-by: Saurav Kashyap <skashyap@marvell.com> Signed-off-by: Chad Dupuis <cdupuis@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-29scsi: qedf: Log message if scsi_add_host failsSaurav Kashyap1-1/+4
Print message on scsi_add_host failure. Signed-off-by: Saurav Kashyap <skashyap@marvell.com> Signed-off-by: Chad Dupuis <cdupuis@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-29scsi: qedf: Check for fcoe_libfc_config failureSaurav Kashyap1-1/+5
Print the fcoe_libfc_config failure and return proper failure. Signed-off-by: Saurav Kashyap <saurav.kashyap@cavium.com> Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-29scsi: qedf: Add comment to display logging levelsSaurav Kashyap1-0/+6
Comment will help in decoding the logging level. Signed-off-by: Saurav Kashyap <skashyap@marvell.com> Signed-off-by: Chad Dupuis <cdupuis@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-29scsi: qedf: Add port_id for fcport into initiate_cleanup debug messageChad Dupuis1-2/+2
Port ID will help in debugging. Signed-off-by: Chad Dupuis <cdupuis@marvell.com> Signed-off-by: Saurav Kashyap <skashyap@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-29scsi: qedf: Add LBA to underrun debug messagesChad Dupuis1-5/+6
Print LBA information for underrun cases. Signed-off-by: Chad Dupuis <cdupuis@marvell.com> Signed-off-by: Saurav Kashyap <skashyap@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-29scsi: qedf: Print scsi_cmd backpointer in good completion path if the command is still being usedChad Dupuis1-3/+3
Printing scsi command pointer will help in crash dump analysis. Signed-off-by: Chad Dupuis <cdupuis@marvell.com> Signed-off-by: Saurav Kashyap <skashyap@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-29scsi: qedf: Add driver state to 'driver_stats' debugfs nodeChad Dupuis1-3/+52
Add debugfs node for driver stats. [mkp: typo] Signed-off-by: Chad Dupuis <cdupuis@marvell.com> Signed-off-by: Saurav Kashyap <skashyap@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-29scsi: qedf: Change MSI-X load error messageChad Dupuis1-1/+2
Change the message to display load failure. Signed-off-by: Chad Dupuis <cdupuis@marvell.com> Signed-off-by: Saurav Kashyap <skashyap@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-29scsi: qedi: Adjust termination and offload ramrod timersManish Rangankar1-2/+3
Whenever offload ramrod is issued, firmware wants driver to wait for max 5 secs, otherwise driver can initiate further corrective action. Similarly, when termination ramrod is issued, irrespective of abortive or non-abortive termination, driver should wait for 60 sec * max TCP-RT timeout. [mkp: typos] Signed-off-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-29scsi: qedi: Abort ep termination if offload not scheduledManish Rangankar1-0/+3
Sometimes during connection recovery when there is a failure to resolve ARP, and offload connection was not issued, driver tries to flush pending offload connection work which was not queued up. kernel: WARNING: CPU: 19 PID: 10110 at kernel/workqueue.c:3030 __flush_work.isra.34+0x19c/0x1b0 kernel: CPU: 19 PID: 10110 Comm: iscsid Tainted: G W 5.1.0-rc4 #11 kernel: Hardware name: Dell Inc. PowerEdge R730/0599V5, BIOS 2.9.1 12/04/2018 kernel: RIP: 0010:__flush_work.isra.34+0x19c/0x1b0 kernel: Code: 8b fb 66 0f 1f 44 00 00 31 c0 eb ab 48 89 ef c6 07 00 0f 1f 40 00 fb 66 0f 1f 44 00 00 31 c0 eb 96 e8 08 16 fe ff 0f 0b eb 8d <0f> 0b 31 c0 eb 87 0f 1f 40 00 66 2e 0f 1 f 84 00 00 00 00 00 0f 1f kernel: RSP: 0018:ffffa6b4054dba68 EFLAGS: 00010246 kernel: RAX: 0000000000000000 RBX: ffff91df21c36fc0 RCX: 0000000000000000 kernel: RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff91df21c36fc0 kernel: RBP: ffff91df21c36ef0 R08: 0000000000000000 R09: 0000000000000000 kernel: R10: 0000000000000038 R11: ffffa6b4054dbd60 R12: ffffffffc05e72c0 kernel: R13: ffff91db10280820 R14: 0000000000000048 R15: 0000000000000000 kernel: FS: 00007f5d83cc1740(0000) GS:ffff91df2f840000(0000) knlGS:0000000000000000 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kernel: CR2: 0000000001cc5000 CR3: 0000000465450002 CR4: 00000000001606e0 kernel: Call Trace: kernel: ? try_to_del_timer_sync+0x4d/0x80 kernel: qedi_ep_disconnect+0x3b/0x410 [qedi] kernel: ? 0xffffffffc083c000 kernel: ? klist_iter_exit+0x14/0x20 kernel: ? class_find_device+0x93/0xf0 kernel: iscsi_if_ep_disconnect.isra.18+0x58/0x70 [scsi_transport_iscsi] kernel: iscsi_if_recv_msg+0x10e2/0x1510 [scsi_transport_iscsi] kernel: ? copyout+0x22/0x30 kernel: ? _copy_to_iter+0xa0/0x430 kernel: ? _cond_resched+0x15/0x30 kernel: ? __kmalloc_node_track_caller+0x1f9/0x270 kernel: iscsi_if_rx+0xa5/0x1e0 [scsi_transport_iscsi] kernel: netlink_unicast+0x17f/0x230 kernel: netlink_sendmsg+0x2d2/0x3d0 kernel: sock_sendmsg+0x36/0x50 kernel: ___sys_sendmsg+0x280/0x2a0 kernel: ? timerqueue_add+0x54/0x80 kernel: ? enqueue_hrtimer+0x38/0x90 kernel: ? hrtimer_start_range_ns+0x19f/0x2c0 kernel: __sys_sendmsg+0x58/0xa0 kernel: do_syscall_64+0x5b/0x180 kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9 Signed-off-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-29scsi: csiostor: create per port irq affinity mask setVarun Prakash1-1/+27
csiostor driver allocates per port num_online_cpus() irq vectors, so create per-port irq affinity mask set to spread irq vectors evenly. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-29scsi: qla2xxx: Silence Successful ELS IOCB messageHimanshu Madhani1-1/+1
ELS IOCB done message should be moved to verbose logging to prevent confusion about the error case v/s successful submission case. [mkp: typos] Signed-off-by: Himanshu Madhani <hmadhani@marvell.com> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-29scsi: qla2xxx: Fix device staying in blocked stateQuinn Tran1-2/+2
This patch fixes issue reported by some of the customers, who discovered that after cable pull scenario the devices disappear and path seems to remain in blocked state. Once the device reappears, driver does not seem to update path to online. This issue appears because of the defer flag creating race condition where the same session reappears. This patch fixes this issue by indicating SCSI-ML of device lost when qlt_free_session_done() is called from qlt_unreg_sess(). Fixes: 41dc529a4602a ("qla2xxx: Improve RSCN handling in driver") Signed-off-by: Quinn Tran <qtran@marvell.com> Cc: stable@vger.kernel.org #4.19 Signed-off-by: Himanshu Madhani <hmadhani@marvell.com> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-29scsi: aic7xxx: improve the Kconfig entryChristoph Hellwig1-1/+1
There is no old vs new driver anymore. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-18scsi: aic7xxx: fix spelling mistake "recevied" -> "received"Colin Ian King1-1/+1
There is a spelling mistake in a kernel message, fix it. Signed-off-by: Colin Ian King <colin.king@canonical.com> Reviewed-by: Mukesh Ojha <mojha@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-18scsi: lpfc: Make lpfc_sli4_oas_verify staticYueHaibing1-1/+1
Fix sparse warning: drivers/scsi/lpfc/lpfc_init.c:13091:1: warning: symbol 'lpfc_sli4_oas_verify' was not declared. Should it be static? Signed-off-by: YueHaibing <yuehaibing@huawei.com> Acked-by: James Smart <james.smart@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-18scsi: megaraid_sas: fix spelling mistake "oustanding" -> "outstanding"Colin Ian King2-2/+2
There are a couple of spelling mistakes in some kernel info and notice messages. Fix these. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-18scsi: qedi: fix spelling mistake "oflload" -> "offload"Colin Ian King1-2/+2
There are a couple of spelling mistakes in some kernel alert messages. Fix these. Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Manish Rangankar <mrangankar@marvell.com> Reviewed-by: Mukesh Ojha <mojha@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-18scsi: qedf: remove memset/memcpy to nfunc and use func insteadColin Ian King1-24/+8
Currently the qedf_dbg_* family of functions can overrun the end of the source string if it is less than the destination buffer length because of the use of a fixed sized memcpy. Remove the memset/memcpy calls to nfunc and just use func instead as it is always a null terminated string. Addresses-Coverity: ("Out-of-bounds access") Fixes: 61d8658b4a43 ("scsi: qedf: Add QLogic FastLinQ offload FCoE driver framework.") Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Saurav Kashyap <skashyap@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-15scsi: core: map PQ=1, PDT=other values to SCSI_SCAN_TARGET_PRESENTLi Zhong1-3/+4
commit 84961f28e9d1 ("[SCSI] Don't add scsi_device for devices that return PQ=1, PDT=0x1f") returns SCSI_SCAN_TARGET_PRESENT if inquiry returns PQ=1, and PDT = 0x1f. However, from the scsi spec, it seemed setting PQ=1, and PDT to the type it is capable to support, can also mean the device is not connected. E.g. we see an IBM/2145 returns PQ=1 and PDT=0 for a non-mapped lun (details attached at the end). This patch changes the check condition a bit, so the check don't require PTD to be 0x1f when PQ=1. $ echo 0 0 1 > /sys/class/scsi_host/host1/scan [ 2483.722186] scsi 1:0:0:1: scsi scan: INQUIRY pass 1 length 36 [ 2483.725687] scsi 1:0:0:1: scsi scan: INQUIRY successful with code 0x0 [ 2483.729171] scsi 1:0:0:1: scsi scan: INQUIRY pass 2 length 109 [ 2483.732481] scsi 1:0:0:1: scsi scan: INQUIRY successful with code 0x0 [ 2483.735911] scsi 1:0:0:1: Direct-Access IBM 2145 0000 PQ: 1 ANSI: 6 [ 2483.741282] scsi 1:0:0:1: Attached scsi generic sg2 type 0 $ tail /proc/scsi/scsi Attached devices: Host: scsi1 Channel: 00 Id: 00 Lun: 00 Vendor: IBM Model: 2145 Rev: 0000 Type: Direct-Access ANSI SCSI revision: 06 Host: scsi0 Channel: 00 Id: 00 Lun: 00 Vendor: IBM Model: 2145 Rev: 0000 Type: Direct-Access ANSI SCSI revision: 06 Host: scsi1 Channel: 00 Id: 00 Lun: 01 Vendor: IBM Model: 2145 Rev: 0000 Type: Direct-Access ANSI SCSI revision: 06 $ lsscsi [0:0:0:0] disk IBM 2145 0000 /dev/sdb [1:0:0:0] disk IBM 2145 0000 /dev/sda [1:0:0:1] disk IBM 2145 0000 - Signed-off-by: Li Zhong <lizhongfs@gmail.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-15scsi: megaraid_sas: Make megasas_host_device_list_query() staticYueHaibing1-1/+1
Fix sparse warning: drivers/scsi/megaraid/megaraid_sas_base.c:4652:1: warning: symbol 'megasas_host_device_list_query' was not declared. Should it be static? Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-15scsi: ufs: Print real incorrect request response codeStanley Chu1-1/+1
If UFS device responds an unknown request response code, we can not know what it was via logs because the code is replaced by "DID_ERROR << 16" before log printing. Fix this to provide precise request response code information for easier issue breakdown. Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Reviewed-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-15scsi: cxgb4i: fix incorrect spelling "reveive" -> "receive"Varun Prakash1-1/+1
Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-15scsi: libcxgbi: update route finding logicVarun Prakash1-5/+8
To support vlan and bridge devices first find route using ifindex 0, if route is not found through net device associated with input scsi host then find route using ifindex of net device. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-15scsi: libcxgbi: find cxgbi device by MAC addressVarun Prakash1-2/+2
If cxgbi_device_find_by_netdev() returns NULL then find cxgbi device by MAC address. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-15scsi: core: don't hold device refcount in IO pathMing Lei1-26/+2
scsi_device's refcount is always grabbed in IO path. Turns out it isn't necessary, because blk_queue_cleanup() will drain any in-flight IOs, then cancel timeout/requeue work, and SCSI's requeue_work is canceled too in __scsi_remove_device(). Also scsi_device won't go away until blk_cleanup_queue() is done. So don't hold the refcount in IO path, especially the refcount isn't required in IO path since blk_queue_enter() / blk_queue_exit() is introduced in the legacy block layer. Cc: Dongli Zhang <dongli.zhang@oracle.com> Cc: James Smart <james.smart@broadcom.com> Cc: Bart Van Assche <bart.vanassche@wdc.com> Cc: linux-scsi@vger.kernel.org, Cc: Martin K . Petersen <martin.petersen@oracle.com>, Cc: Christoph Hellwig <hch@lst.de>, Cc: James E . J . Bottomley <jejb@linux.vnet.ibm.com>, Cc: jianchao wang <jianchao.w.wang@oracle.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-15scsi: qla2xxx: Fix read offset in qla24xx_load_risc_flash()Himanshu Madhani1-15/+1
This patch fixes regression introduced by commit f8f97b0c5b7f ("scsi: qla2xxx: Cleanups for NVRAM/Flash read/write path") where flash read/write routine cleanup left out code which resulted into checksum failure leading to use-after-free stack during driver load. Following stack trace is seen in the log file qla2xxx [0000:00:00.0]-0005: : QLogic Fibre Channel HBA Driver: 10.01.00.16-k. qla2xxx [0000:00:0b.0]-001d: : Found an ISP2532 irq 11 iobase 0x0000000000f47f03. qla2xxx [0000:00:0b.0]-00cd:8: ISP Firmware failed checksum. qla2xxx [0000:00:0b.0]-00cf:8: Setup chip ****FAILED****. qla2xxx [0000:00:0b.0]-00d6:8: Failed to initialize adapter - Adapter flags 2. ================================================================== BUG: KASAN: use-after-free in __list_del_entry_valid+0x15/0xd0 Read of size 8 at addr ffff8880ca05a490 by task modprobe/857 CPU: 0 PID: 857 Comm: modprobe Not tainted 5.1.0-rc1-dbg+ #4 Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 Call Trace: dump_stack+0x86/0xca print_address_description+0x6c/0x234 ? __list_del_entry_valid+0x15/0xd0 kasan_report.cold.3+0x1b/0x34 ? __list_del_entry_valid+0x15/0xd0 ? __kmem_cache_shutdown.cold.95+0xf5/0x176 ? __list_del_entry_valid+0x15/0xd0 __asan_load8+0x54/0x90 __list_del_entry_valid+0x15/0xd0 dma_pool_destroy+0x4f/0x260 ? dma_free_attrs+0xb4/0xd0 qla2x00_mem_free+0x529/0xcc0 [qla2xxx] ? kobject_put+0xdb/0x230 qla2x00_probe_one+0x2b5e/0x45f0 [qla2xxx] ? qla2xxx_pci_error_detected+0x210/0x210 [qla2xxx] ? match_held_lock+0x20/0x240 ? find_held_lock+0xca/0xf0 ? mark_held_locks+0x86/0xb0 ? _raw_spin_unlock_irqrestore+0x52/0x60 ? __pm_runtime_resume+0x5b/0xb0 ? lockdep_hardirqs_on+0x185/0x260 ? _raw_spin_unlock_irqrestore+0x52/0x60 ? trace_hardirqs_on+0x24/0x130 ? preempt_count_sub+0x13/0xc0 ? _raw_spin_unlock_irqrestore+0x3d/0x60 pci_device_probe+0x154/0x1e0 really_probe+0x17d/0x540 ? device_driver_attach+0x90/0x90 driver_probe_device+0x113/0x170 ? device_driver_attach+0x90/0x90 device_driver_attach+0x88/0x90 __driver_attach+0xb5/0x190 bus_for_each_dev+0xf8/0x160 ? subsys_dev_iter_exit+0x10/0x10 ? kasan_check_read+0x11/0x20 ? preempt_count_sub+0x13/0xc0 ? _raw_spin_unlock+0x2c/0x50 driver_attach+0x26/0x30 bus_add_driver+0x238/0x2f0 driver_register+0xd7/0x150 __pci_register_driver+0xd5/0xe0 ? 0xffffffffa06c8000 qla2x00_module_init+0x208/0x254 [qla2xxx] do_one_initcall+0xc0/0x3c9 ? trace_event_raw_event_initcall_finish+0x150/0x150 ? __kasan_kmalloc.constprop.5+0xc7/0xd0 ? kasan_unpoison_shadow+0x35/0x50 ? kasan_poison_shadow+0x2f/0x40 ? __asan_register_globals+0x5a/0x70 do_init_module+0x103/0x330 load_module+0x36df/0x3b70 ? fsnotify+0x611/0x640 ? module_frob_arch_sections+0x20/0x20 ? kernel_read+0x74/0xa0 ? kasan_check_write+0x14/0x20 ? kernel_read_file+0x25e/0x320 ? do_mmap+0x42c/0x6c0 __do_sys_finit_module+0x133/0x1c0 ? __do_sys_finit_module+0x133/0x1c0 ? __do_sys_init_module+0x210/0x210 ? fput_many+0x1b/0xc0 ? fput+0xe/0x10 ? do_syscall_64+0x14/0x210 ? entry_SYSCALL_64_after_hwframe+0x49/0xbe __x64_sys_finit_module+0x3e/0x50 do_syscall_64+0x72/0x210 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f8bd5c03219 Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 47 fc 0c 00 f7 d8 64 89 01 48 RSP: 002b:00007fff9d11de98 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 RAX: ffffffffffffffda RBX: 000055ef21596b50 RCX: 00007f8bd5c03219 RDX: 0000000000000000 RSI: 000055ef21596570 RDI: 0000000000000004 RBP: 000055ef21596570 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000 R13: 000055ef21596c80 R14: 0000000000040000 R15: 000055ef21596b50 Allocated by task 857: save_stack+0x43/0xd0 __kasan_kmalloc.constprop.5+0xc7/0xd0 kasan_kmalloc+0x9/0x10 kmem_cache_alloc_trace+0x144/0x300 dma_pool_create+0xb5/0x3b0 qla2x00_mem_alloc+0xb98/0x1ad0 [qla2xxx] qla2x00_probe_one+0xe28/0x45f0 [qla2xxx] pci_device_probe+0x154/0x1e0 really_probe+0x17d/0x540 driver_probe_device+0x113/0x170 device_driver_attach+0x88/0x90 __driver_attach+0xb5/0x190 bus_for_each_dev+0xf8/0x160 driver_attach+0x26/0x30 bus_add_driver+0x238/0x2f0 driver_register+0xd7/0x150 __pci_register_driver+0xd5/0xe0 qla2x00_module_init+0x208/0x254 [qla2xxx] do_one_initcall+0xc0/0x3c9 do_init_module+0x103/0x330 load_module+0x36df/0x3b70 __do_sys_finit_module+0x133/0x1c0 __x64_sys_finit_module+0x3e/0x50 do_syscall_64+0x72/0x210 entry_SYSCALL_64_after_hwframe+0x49/0xbe Freed by task 857: save_stack+0x43/0xd0 __kasan_slab_free+0x139/0x190 kasan_slab_free+0xe/0x10 kfree+0xf0/0x2c0 dma_pool_destroy+0x24c/0x260 qla2x00_mem_free+0x529/0xcc0 [qla2xxx] qla2x00_free_device+0x167/0x1b0 [qla2xxx] qla2x00_probe_one+0x2b28/0x45f0 [qla2xxx] pci_device_probe+0x154/0x1e0 really_probe+0x17d/0x540 driver_probe_device+0x113/0x170 device_driver_attach+0x88/0x90 __driver_attach+0xb5/0x190 bus_for_each_dev+0xf8/0x160 driver_attach+0x26/0x30 bus_add_driver+0x238/0x2f0 driver_register+0xd7/0x150 __pci_register_driver+0xd5/0xe0 qla2x00_module_init+0x208/0x254 [qla2xxx] do_one_initcall+0xc0/0x3c9 do_init_module+0x103/0x330 load_module+0x36df/0x3b70 __do_sys_finit_module+0x133/0x1c0 __x64_sys_finit_module+0x3e/0x50 do_syscall_64+0x72/0x210 entry_SYSCALL_64_after_hwframe+0x49/0xbe The buggy address belongs to the object at ffff8880ca05a400 which belongs to the cache kmalloc-192 of size 192 The buggy address is located 144 bytes inside of 192-byte region [ffff8880ca05a400, ffff8880ca05a4c0) The buggy address belongs to the page: page:ffffea0003281680 count:1 mapcount:0 mapping:ffff88811bf03380 index:0x0 compound_mapcount: 0 flags: 0x4000000000010200(slab|head) raw: 4000000000010200 0000000000000000 0000000c00000001 ffff88811bf03380 raw: 0000000000000000 0000000080200020 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8880ca05a380: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff8880ca05a400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff8880ca05a480: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ^ ffff8880ca05a500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8880ca05a580: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc ================================================================== Fixes: f8f97b0c5b7f ("scsi: qla2xxx: Cleanups for NVRAM/Flash read/write path") Reported-by: Bart Van Assche <bvanassche@acm.org> Tested-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-15scsi: qla2xxx: Move qla2x00_set_fcport_state() from a .h into a .c fileBart Van Assche3-19/+18
The qla2x00_set_fcport_state() function is not in the hot path so move its definition from a .h into a .c file. Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Giridhar Malavali <gmalavali@marvell.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Acked-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-15scsi: qla2xxx: Remove two superfluous castsBart Van Assche1-3/+2
Casting a void pointer into another pointer before assigning the pointer to a variable is not useful. Hence remove such casts. Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Giridhar Malavali <gmalavali@marvell.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Acked-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-15scsi: qla2xxx: Remove qla_tgt_cmd.data_work and qla_tgt_cmd.data_work_freeBart Van Assche2-4/+0
The 'data_work' and 'data_work_free' member variables are set but never used. Hence remove both member variables. See also commit 6bcbb3174caa ("qla2xxx: Fix incorrect tcm_qla2xxx_free_cmd use during TMR ABORT (v2)"). Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Giridhar Malavali <gmalavali@marvell.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Acked-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-15scsi: qla2xxx: Move the <linux/io-64-nonatomic-lo-hi.h> include directiveBart Van Assche2-1/+2
The <linux/io-64-nonatomic-lo-hi.h> header file is included because of the readq() macro. Since that macro is only used in qla_nx.c, move that include statement into qla_nx.c. Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Giridhar Malavali <gmalavali@marvell.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Acked-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-15scsi: qla2xxx: Declare qla24xx_build_scsi_crc_2_iocbs() staticBart Van Assche2-3/+1
Since qla24xx_build_scsi_crc_2_iocbs() is only used inside a single source file, declare this function static. Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Giridhar Malavali <gmalavali@marvell.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Acked-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-15scsi: qla2xxx: Move the port_state_str[] definition from a .h to a .c fileBart Van Assche2-7/+9
Reduce the size of the qla2xxx kernel module by moving an array definition from a .h into a .c file. Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Giridhar Malavali <gmalavali@marvell.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Acked-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-15scsi: qla2xxx: Insert spaces where requiredBart Van Assche9-23/+23
Improve source code readability by inserting spaces where these are required according to the coding standard. This patch only inserts whitespace and does not make any other changes. Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Giridhar Malavali <gmalavali@marvell.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Acked-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-15scsi: qla2xxx: Fix formatting of pointer typesBart Van Assche5-6/+6
Improve source code readability by following the Linux kernel coding style for pointer types. This patch only changes whitespace. Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Giridhar Malavali <gmalavali@marvell.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Acked-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-15scsi: qla2xxx: Leave a blank line after declarationsBart Van Assche14-2/+69
This patch improves readability of the qla2xxx source code. Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Giridhar Malavali <gmalavali@marvell.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Acked-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-15scsi: qla2xxx: Use tabs to indent codeBart Van Assche2-21/+21
Most but not all code in the qla2xxx driver uses tabs for indentation. Make the qla2xxx code easier to read by using tabs consistently for indentation. This patch improves conformance with the Linux kernel coding style. Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Giridhar Malavali <gmalavali@marvell.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Acked-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-15scsi: libsas: Print expander PHY indexes in decimalJohn Garry4-28/+27
Currently we print expander PHY indexes in a mix of decimal and hex. It is more consistent and also more convenient to read decimal, so make this change. We use width of 2 for expander and 1 for root PHYs prints. Some lines which were needlessly spilling multiple lines are unified. Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-15scsi: libsas: Do discovery on empty PHY to update PHY infoJohn Garry1-0/+5
When we discover the PHY is empty in sas_rediscover_dev(), the PHY information (like negotiated linkrate) is not updated. As such, for a user examining sysfs for that PHY, they would see incorrect values: root@(none)$ cd /sys/class/sas_phy/phy-0:0:20 root@(none)$ more negotiated_linkrate 3.0 Gbit root@(none)$ echo 0 > enable root@(none)$ more negotiated_linkrate 3.0 Gbit So fix this, simply discover the PHY again, even though we know it's empty; in the above example, this gives us: root@(none)$ more negotiated_linkrate Phy disabled We must do this after unregistering the device associated with the PHY (in sas_unregister_devs_sas_addr()). Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-15scsi: libsas: Inject revalidate event for root port eventJohn Garry2-3/+28
According to the SAS spec, an expander device shall transmit BROADCAST (CHANGE) from at least one phy in each expander port other than the expander port that is the cause for transmitting BROADCAST (CHANGE). As such, for when the link is lost for a root PHY attached to an expander PHY, we get no broadcast event. This causes an issue for libsas, in that we will not revalidate the domain for these events. As a solution, for when a root PHY is formed or deformed from a root port, insert a broadcast event to trigger a domain revalidation. Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-15scsi: libsas: Improve vague log in SAS rediscoveryJohn Garry1-6/+14
When an expander PHY which was part of a wideport disconnects, we would see a log like this from sas_rediscover(): [ 39.695554] sas: phy20 part of wide port with phy16 Here, phy20 is the PHY that disconnected, and phy16 is the lowest indexed member PHY of the wideport. The log implies the phy20 is still part of the wideport with phy16, so is misleading or, at least, vague. Improve the logs in SAS rediscovery by removing this log and adding a log in sas_rediscover_dev() to tell what's really going on. While we're at it, also make the logs in sas_find_bcast_dev() more informative (and more consistent with the reset of the expander logs). Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-15scsi: libsas: Try to retain programmed min linkrate for SATA min pathway unmatch fixingJohn Garry1-1/+6
Currently for fixing the linkrate matching during discovery such that the linkrate of a SATA PHY does not exceed min pathway to initiator, we set the SATA PHY programmed min linkrate to the same value as the programmed max linkrate. This is unnecessary, and we should be able to keep the same programmed min linkrate if it is already lower than this new max programmed linkrate. This patch makes that change. In effect, this will not make much difference since we generally will negotiate a linkrate at the programmed max linkrate, and the programmed min linkrate will have no impact. Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-15scsi: libsas: Stop hardcoding SAS address lengthJohn Garry3-29/+32
Many times we use 8 for SAS address length, while we already have a macro for this - SAS_ADDR_SIZE. Replace instances of this with the macro. However, don't touch the SAS address array sizes sas.h, as these are defined according to the SAS spec. Some missing whitespaces are also added, and whitespace indentation in sas_hash_addr() is also fixed (see sas_hash_addr()). Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-12scsi: hisi_sas: Some misc tidy-upXiang Chen4-53/+38
Do some minor tidy-up. Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com> Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-12scsi: hisi_sas: Don't fail IT nexus reset for Open Reject timeoutLuo Jiaxing1-11/+14
Currently we call hisi_sas_softreset_ata_disk() in hisi_sas_I_T_nexus_reset(). If this fails for open reject reason, there is no reason to fail the IT nexus reset, so only fail for TMF_RESP_FUNC_FAILED. Some other strings spilled over multiple lines are reunited. Signed-off-by: Luo Jiaxing <luojiaxing@huawei.com> Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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