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2015-01-27usb: isp1760: Reorganize header filesLaurent Pinchart4-225/+256
The isp1760-rhcd.h header contains PTD constants and structures only useful for the HCD implementation. It also contains register definitions that will be needed by common code when implementing support for the ISP1761 device controller, but doesn't contain the isp1760_hcd structure definition that will also be used by common code. Move definitions to the right location and create an isp1760-regs.h to store register definitions. No change other than moving definitions and modifying indentation is performed. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Prefix driver data structures with isp1760_Laurent Pinchart2-9/+10
The slotinfo and memory_chunk structures are specific to the driver and defined in a header file. Prefix them with isp1760_ to avoid namespace clashes. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Decouple usb_hdc and isp1760_privLaurent Pinchart1-6/+15
Allocate the driver private data structure manually instead of using the usb_hcd private space. This will allow skipping hcd registration for the isp1761 when used in device mode only. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Refactor PCI initialization codeLaurent Pinchart1-65/+69
Move the initialization code out of the PCI probe function to a new function in order to simplify and fix error handling. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Use the managed devm_ioremap_resource() APILaurent Pinchart2-41/+16
This simplifies error and remove code paths. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Pass resource pointer to isp1760_registerLaurent Pinchart3-13/+11
The function takes quite a few arguments, passing the resource pointer instead of the start address and length simplifies it a bit. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Remove busname argument to isp1760_registerLaurent Pinchart3-6/+4
The argument is unused, remove it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Prefix init_kmem_once and deinit_kmem_cache with isp1760_Laurent Pinchart3-7/+7
The two functions are specific to the driver but have very generic names, subject to collisions. Rename them. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Fix indentation in probe error pathLaurent Pinchart1-3/+3
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Don't expose hcd to glue code from isp1760_registerLaurent Pinchart3-28/+19
The glue code probe functions don't need to access the hcd structure anymore. Modify isp1760_register to return an integer error code instead of the hcd pointer. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Manage device driver data in common codeLaurent Pinchart2-3/+2
Don't duplicate *_set_drvdata calls in glue code. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Move removal cleanup code to isp1760-hcd.cLaurent Pinchart3-14/+14
The removal cleanup code is duplicated between the different bus glues. Move it to a central location. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Merge platform and OF glue codesLaurent Pinchart1-135/+55
Both handle platform devices, merge them. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Unmap I/O registers at platform device removalLaurent Pinchart1-2/+1
The I/O registers are mapped in the HCD code but must be unmapped by glue code. The OF and PCI glue code unmap them correctly but the platform glue code is missing an iounmap() call. Fix it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Retrieve pdev memory resource from hcd at remove timeLaurent Pinchart1-5/+1
The platform driver remove function needs to release the memory resource requested at probe time. Instead of retrieving the resource from the platform device, retrieve it from the usb_hcd. This mimics the behaviour of the PCI and OF glues, and will make it easier to share code between all three glue layers. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Remove isp1760 glue structureLaurent Pinchart1-31/+15
The structure is allocated for the sole purpose of holding a pointer to the HCD and being stored in platform device driver data. Store the HCD pointer directly instead. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Use the gpio descriptor APILaurent Pinchart3-46/+19
Switching to the managed gpio descriptor API simplifies both error and cleanup code paths (by removing the need to free the gpio) and runtime code (by removing manual handling of the active low flag). It also permits handling the reset gpio entirely from within the HCD code, sharing it between the different glue layers. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: gadget: zero: fix format string warningsAsaf Vertz1-10/+10
Fixed the following warnings (reported by cppcheck): [drivers/usb/gadget/function/f_sourcesink.c:1217]: (warning) %d in format string (no. 1) requires 'int' but the argument type is 'unsigned int'. [drivers/usb/gadget/function/f_sourcesink.c:1261]: (warning) %d in format string (no. 1) requires 'int' but the argument type is 'unsigned int'. [drivers/usb/gadget/function/f_sourcesink.c:1305]: (warning) %d in format string (no. 1) requires 'int' but the argument type is 'unsigned int'. [drivers/usb/gadget/function/f_sourcesink.c:1349]: (warning) %d in format string (no. 1) requires 'int' but the argument type is 'unsigned int'. [drivers/usb/gadget/function/f_sourcesink.c:1393]: (warning) %d in format string (no. 1) requires 'int' but the argument type is 'unsigned int'. [drivers/usb/gadget/function/f_sourcesink.c:1437]: (warning) %d in format string (no. 1) requires 'int' but the argument type is 'unsigned int'. [drivers/usb/gadget/function/f_sourcesink.c:1476]: (warning) %d in format string (no. 1) requires 'int' but the argument type is 'unsigned int'. [drivers/usb/gadget/function/f_sourcesink.c:1520]: (warning) %d in format string (no. 1) requires 'int' but the argument type is 'unsigned int'. [drivers/usb/gadget/function/f_sourcesink.c:1564]: (warning) %d in format string (no. 1) requires 'int' but the argument type is 'unsigned int'. [drivers/usb/gadget/function/f_sourcesink.c:1608]: (warning) %d in format string (no. 1) requires 'int' but the argument type is 'unsigned int' Reviewed-by: Amit Virdi <amit.virdi@st.com> Signed-off-by: Asaf Vertz <asaf.vertz@tandemg.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: gadget: ffs: add eventfd notification about ffs eventsRobert Baldyga3-1/+30
Add eventfd which notifies userspace about ep0 events and AIO completion events. It simplifies using of FunctionFS with event loop, because now we need to poll on single file (instead of polling on ep0 and eventfd's supplied to AIO layer). FunctionFS eventfd is not triggered if another eventfd is supplied to AIO layer (in AIO request). It can be useful, for example, when we want to handle AIO transations for chosen endpoint in separate thread. Signed-off-by: Robert Baldyga <r.baldyga@samsung.com> Acked-by: Michal Nazarewicz <mina86@mina86.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: gadget: f_fs: Fix loop variableMario Schuknecht1-3/+3
Use if-loop variable 'epfile' instead of start variable 'epfiles'. Now the correct endpoint file name is stored. Signed-off-by: Mario Schuknecht <mario.schuknecht@dresearch-fe.de> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: gadget: Fix os desc testMario Schuknecht1-1/+1
USB vendor type is encoded in field bmRequestType. Make test USB_TYPE_VENDOR with bRequestType instead of bRequest. Signed-off-by: Mario Schuknecht <mario.schuknecht@dresearch-fe.de> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: musb: cppi41: improve rx channel abort routineBin Liu1-3/+9
1. set AUTOREQ to NONE at the beginning of teardown; 2. add delay for dma pipeline to drain; 3. Do not set USB_TDOWN bit for RX teardown. The CPPI hw has an issue that when tearing down a RX channel, if another RX channel is receiving data, the CPPI will lockup. To workaround the issue, do not set the CPPI TD bit. The steps before this point ensures the CPPI channel will be torn down properly. Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: musb: cppi41: correct the macro name EP_MODE_AUTOREG_*Bin Liu1-6/+6
The macro EP_MODE_AUTOREG_* should be called EP_MODE_AUTOREQ_*, as they are used for register AUTOREQ. Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: renesas_usbhs: add support for requesting DT DMAYoshihiro Shimoda2-1/+12
This patch adds dma_request_slave_channel_reason() calling to request dma slave channels for multiplatform environment. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: renesas_usbhs: add usbhsf_dma_init_pdev() functionYoshihiro Shimoda1-3/+9
To add support for requesting DT DMA in the future, this patch adds usbhsf_dma_init_pdev() function. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: renesas_usbhs: mod_host: use HUB_CHAR_*Sergei Shtylyov1-1/+2
Fix using the bare number to set the 'wHubCharacteristics' field of the Hub Descriptor while the values are #define'd in <linux/usb/ch11.h>. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: musb: virthub: use HUB_CHAR_*Sergei Shtylyov1-3/+3
Fix using the bare numbers to set the 'wHubCharacteristics' field of the Hub Descriptor while the values are #define'd in <linux/usb/ch11.h>. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19usb: dummy_hcd: use HUB_CHAR_*Sergei Shtylyov1-2/+6
Fix using the bare numbers to set the 'wHubCharacteristics' field of the Hub Descriptor while the values are #define'd in <linux/usb/ch11.h>. Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19usb: dwc2: hcd: use HUB_CHAR_*Sergei Shtylyov1-1/+3
Fix using the bare number to set the 'wHubCharacteristics' field of the Hub Descriptor while the values are #define'd in <linux/usb/ch11.h>. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19usb: gadget: uvc: preserve the address passed to kfree()Andrzej Pietrasiewicz1-3/+7
__uvcg_fill_strm() called from __uvcg_iter_stream_cls() might have advanced the "data" even if __uvcg_iter_stream_cls() returns an error, so use a backup copy as an argument to kfree(). Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19MAINTAINERS: update maintainer entry for dwc2 driverPaul Zimmerman1-1/+1
Update the MAINTAINERS entry for the dwc2 driver to show John Youn as the new maintainer Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19Revert "usb: dwc2: add bus suspend/resume for dwc2"Paul Zimmerman1-77/+11
This reverts commit 0cf884e819e05437287a668b9bfcc198bab6329c. Even after applying the follow-on patch at https://patchwork.kernel.org/patch/5325111 there are still problems with device connect on the Altera SOCFPGA platform at least. One possible fix would be to add a whitelist to enable suspend/resume on platforms where it does work correctly. Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19usb: gadget: ethernet: re-use %pM specifier to print MACAndy Shevchenko1-3/+1
Instead of custom approach the patch converts code to use %pM specifier to print MAC. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19usb: phy: make GPIOs optional for the generic phyPaul Zimmerman1-2/+2
The use of GPIOs should be optional for the generic phy, otherwise the Altera SOCFPGA platform at least is broken. Fixes breakage caused by a combination of e9f2cefb0cd "usb: phy: generic: migrate to gpio_desc" and 135b3c4304d "usb: dwc2: platform: add generic PHY framework support". Reviewed-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19usb: gadget: uvc: cleanup UVCG_FRAME_ATTR macroDan Carpenter1-26/+18
1) Change "conv" an "vnoc" to "to_cpu_endian" to "to_little_endian". 2) No need to check the "limit" because that is already handled in kstrtoXX so delete that parameter along with the check. 3) By using a "bits" parameter, we can combine the "uxx" parameter and the "str2u" parameters. 4) The kstrtou##bits() conversion does not need to be done under the mutex so move it to the start of the function. 5) Change the name of "identity_conv" to "noop_conversion". Acked-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19usb: gadget: uvc: memory leak in uvcg_frame_make()Dan Carpenter1-0/+1
We need to add a kfree(h) on an error path. Acked-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19usb: gadget: uvc: remove an impossible conditionDan Carpenter1-2/+0
"num" is a u32 so "(num > 0xFFFFFFFF)" is never true. Also the range is already checked in kstrtou32(). Acked-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19usb: gadget: uvc: fix some error codesDan Carpenter1-7/+7
We're basically saying ERR_CAST(NULL) and PTR_ERR(NULL) here, which is nonsensical. Acked-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-18Linux 3.19-rc5Linus Torvalds1-1/+1
2015-01-17clk: fix possible null pointer dereferenceStanimir Varbanov1-1/+1
The commit 646cafc6 (clk: Change clk_ops->determine_rate to return a clk_hw as the best parent) opens a possibility for null pointer dereference, fix this. Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com> Reviewed-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-01-17Revert "clk: ppc-corenet: Fix Section mismatch warning"Kevin Hao1-1/+1
This reverts commit da788acb28386aa896224e784954bb73c99ff26c. That commit tried to fix the section mismatch warning by moving the ppc_corenet_clk_driver struct to init section. This is definitely wrong because the kernel would free the memories occupied by this struct after boot while this driver is still registered in the driver core. The kernel would panic when accessing this driver struct. Cc: stable@vger.kernel.org # 3.17 Signed-off-by: Kevin Hao <haokexin@gmail.com> Acked-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-01-17clk: rockchip: fix deadlock possibility in cpuclkHeiko Stübner1-4/+6
Lockdep reported a possible deadlock between the cpuclk lock and for example the i2c driver. CPU0 CPU1 ---- ---- lock(clk_lock); local_irq_disable(); lock(&(&i2c->lock)->rlock); lock(clk_lock); <Interrupt> lock(&(&i2c->lock)->rlock); *** DEADLOCK *** The generic clock-types of the core ccf already use spin_lock_irqsave when touching clock registers, so do the same for the cpuclk. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Doug Anderson <dianders@chromium.org> Signed-off-by: Michael Turquette <mturquette@linaro.org> [mturquette@linaro.org: removed initialization of "flags"]
2015-01-16reset: sunxi: fix spinlock initializationTyler Baker1-0/+4
Call spin_lock_init() before the spinlocks are used, both in early init and probe functions preventing a lockdep splat. I have been observing lockdep complaining [1] during boot on my a80 optimus [2] when CONFIG_PROVE_LOCKING has been enabled. This patch resolves the splat, and has been tested on a few other sunxi platforms without issue. [1] http://storage.kernelci.org/next/next-20150107/arm-multi_v7_defconfig+CONFIG_PROVE_LOCKING=y/lab-tbaker/boot-sun9i-a80-optimus.html [2] http://kernelci.org/boot/?a80-optimus Signed-off-by: Tyler Baker <tyler.baker@linaro.org> Cc: <stable@vger.kernel.org> Acked-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Kevin Hilman <khilman@linaro.org> Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-16ARM: dts: disable CCI on exynos5420 based arndale-octaAbhilash Kesavan2-1/+5
The arndale-octa board was giving "imprecise external aborts" during boot-up with MCPM enabled. CCI enablement of the boot cluster was found to be the cause of these aborts (possibly because the secure f/w was not allowing it). Hence, disable CCI for the arndale-octa board. Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com> Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Tested-by: Kevin Hilman <khilman@linaro.org> Tested-by: Tyler Baker <tyler.baker@linaro.org> Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-16drivers: bus: check cci device tree node statusAbhilash Kesavan1-0/+3
The arm-cci driver completes the probe sequence even if the cci node is marked as disabled. Add a check in the driver to honour the cci status in the device tree. Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com> Acked-by: Sudeep Holla <sudeep.holla@arm.com> Acked-by: Nicolas Pitre <nico@linaro.org> Tested-by: Sudeep Holla <sudeep.holla@arm.com> Tested-by: Kevin Hilman <khilman@linaro.org> Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-16ARM: rockchip: disable jtag/sdmmc autoswitching on rk3288Heiko Stübner1-0/+27
rk3288 SoCs have a function to automatically switch between jtag/sdmmc pinmux settings depending on the card state. This collides with a lot of assumptions. It only works when using the internal card-detect mechanism and breaks horribly when using either the normal card-detect via the slot-gpio function or via any other pin. Also there is of course no link between the mmc and jtag on the software-side, so the jtag clocks may very well be disabled when the card is ejected and the soc switches back to the jtag pinmux. Leaving the switching function enabled did result in mmc timeouts and rcu stalls thus hanging the system on 3.19-rc1. Therefore disable it in all cases, as we expect the devicetree to explicitly select either mmc or jtag pinmuxes anyway. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-16ARM: nomadik: fix up leftover device tree pinsLinus Walleij1-4/+4
We altered the device tree bindings for the Nomadik family of pin controllers to be standard, this file was merged out-of-order so we missed fixing this. Fix it up. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-17kernel: avoid overflow in cmp_rangeLouis Langholtz1-5/+5
Avoid overflow possibility. [ The overflow is purely theoretical, since this is used for memory ranges that aren't even close to using the full 64 bits, but this is the right thing to do regardless. - Linus ] Signed-off-by: Louis Langholtz <lou_langholtz@me.com> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Peter Anvin <hpa@linux.intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-01-16perf tools powerpc: Use dwfl_report_elf() instead of offline.Sukadev Bhattiprolu1-8/+11
dwfl_report_offline() works only when libraries are prelinked. Replace dwfl_report_offline() with dwfl_report_elf() so we correctly extract debug info even from libraries that are not prelinked. Reported-by: Jiri Olsa <jolsa@redhat.com> Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Tested-by: Jiri Olsa <jolsa@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Link: http://lkml.kernel.org/r/20150114221045.GA17703@us.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-01-16perf tools: Fix segfault for symbol annotation on TUINamhyung Kim1-7/+1
Currently the symbol structure is allocated with symbol_conf.priv_size to carry sideband information like annotation, map browser on TUI and sort-by-name tree node. So retrieving these information from symbol needs to care about the details of such placement. However the annotation code just assumes that the symbol is placed after the struct annotation. But actually there's other info between them. So accessing those struct will lead to an undefined behavior (usually a crash) after they write their info to the same location. To reproduce the problem, please follow the steps below: 1. run perf report (TUI of course) with -v option 2. open map browser (by pressing right arrow key for any entry) 3. search any function (by pressing '/' key and input whatever..) 4. return to the hist browser (by pressing 'q' or left arrow key) 5. open annotation window for the same entry (by pressing 'a' key) Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1421234288-22758-1-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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