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linux-stable/drivers/gpu/drm
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Steven Rostedt (Google) 292a089d78 treewide: Convert del_timer*() to timer_shutdown*() 
Due to several bugs caused by timers being re-armed after they are
shutdown and just before they are freed, a new state of timers was added
called "shutdown".  After a timer is set to this state, then it can no
longer be re-armed.

The following script was run to find all the trivial locations where
del_timer() or del_timer_sync() is called in the same function that the
object holding the timer is freed.  It also ignores any locations where
the timer->function is modified between the del_timer*() and the free(),
as that is not considered a "trivial" case.

This was created by using a coccinelle script and the following
commands:

    $ cat timer.cocci
    @@
    expression ptr, slab;
    identifier timer, rfield;
    @@
    (
    -       del_timer(&ptr->timer);
    +       timer_shutdown(&ptr->timer);
    |
    -       del_timer_sync(&ptr->timer);
    +       timer_shutdown_sync(&ptr->timer);
    )
      ... when strict
          when != ptr->timer
    (
            kfree_rcu(ptr, rfield);
    |
            kmem_cache_free(slab, ptr);
    |
            kfree(ptr);
    )

    $ spatch timer.cocci . > /tmp/t.patch
    $ patch -p1 < /tmp/t.patch

Link: https://lore.kernel.org/lkml/20221123201306.823305113@linutronix.de/
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Acked-by: Pavel Machek <pavel@ucw.cz> [ LED ]
Acked-by: Kalle Valo <kvalo@kernel.org> [ wireless ]
Acked-by: Paolo Abeni <pabeni@redhat.com> [ networking ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-12-25 13:38:09 -08:00
..
amd drm fixes for 6.2-rc1 2022-12-23 11:09:44 -08:00
arm drm/arm/malidp: remove calls to drm_mode_config_cleanup() 2022-11-16 10:33:45 +00:00
armada drm/fb-helper: Perform all fbdev I/O with the same implementation 2022-11-05 17:05:54 +01:00
aspeed drm/fb-helper: Move generic fbdev emulation into separate source file 2022-11-05 17:12:04 +01:00
ast drm/fb-helper: Remove unnecessary include statements 2022-11-05 17:12:04 +01:00
atmel-hlcdc drm/fb-helper: Move generic fbdev emulation into separate source file 2022-11-05 17:12:04 +01:00
bridge pwm: Changes for v6.2-rc1 2022-12-21 09:41:28 -08:00
display Linux 6.1-rc6 2022-11-24 11:05:43 +10:00
etnaviv MM patches for 6.2-rc1. 2022-12-13 19:29:45 -08:00
exynos MM patches for 6.2-rc1. 2022-12-13 19:29:45 -08:00
fsl-dcu hardening updates for v6.2-rc1 2022-12-14 12:20:00 -08:00
gma500 drm/fb-helper: Perform all fbdev I/O with the same implementation 2022-11-05 17:05:54 +01:00
gud drm/fb-helper: Move generic fbdev emulation into separate source file 2022-11-05 17:12:04 +01:00
hisilicon drm/hisilicon: Use drm_mode_init() for on-stack modes 2022-11-12 01:36:43 +02:00
hyperv drm/fb-helper: Remove unnecessary include statements 2022-11-05 17:12:04 +01:00
i2c drm: tda99x: Don't advertise non-existent capture support 2022-12-02 14:07:19 +00:00
i810
i915 treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
imx Linux 6.1-rc6 2022-11-24 11:05:43 +10:00
ingenic drm/fb-helper: Move generic fbdev emulation into separate source file 2022-11-05 17:12:04 +01:00
kmb drm/fb-helper: Remove unnecessary include statements 2022-11-05 17:12:04 +01:00
lib
lima Linux 6.1-rc6 2022-11-24 11:05:43 +10:00
logicvc drm/fb-helper: Move generic fbdev emulation into separate source file 2022-11-05 17:12:04 +01:00
mcde drm/fb-helper: Move generic fbdev emulation into separate source file 2022-11-05 17:12:04 +01:00
mediatek Mediatek DRM Next for Linux 6.2 2022-11-24 12:49:36 +10:00
meson drm/fb-helper: Move generic fbdev emulation into separate source file 2022-11-05 17:12:04 +01:00
mga
mgag200 drm/fb-helper: Remove unnecessary include statements 2022-11-05 17:12:04 +01:00
msm Merge tag 'drm-msm-next-2022-11-28' of https://gitlab.freedesktop.org/drm/msm into drm-next 2022-11-30 17:19:18 +10:00
mxsfb drm: lcdif: Set and enable FIFO Panic threshold 2022-11-09 01:31:45 +01:00
nouveau drm-misc-next for 6.2: 2022-11-22 09:21:17 +10:00
omapdrm drm: Assert held reservation lock for dma-buf mmapping 2022-11-11 23:49:47 +03:00
panel Linux 6.1-rc6 2022-11-24 11:05:43 +10:00
panfrost Linux 6.1-rc6 2022-11-24 11:05:43 +10:00
pl111 drm/fb-helper: Move generic fbdev emulation into separate source file 2022-11-05 17:12:04 +01:00
qxl drm/fb-helper: Remove unnecessary include statements 2022-11-05 17:12:04 +01:00
r128
radeon drm/radeon: Fix PCI device refcount leak in radeon_atrm_get_bios() 2022-11-29 11:03:38 -05:00
rcar-du Kconfig fix for RZ/G2L DSI 2022-11-24 12:38:36 +10:00
rockchip Linux 6.1-rc6 2022-11-24 11:05:43 +10:00
savage
scheduler Merge tag 'amd-drm-next-6.2-2022-11-18' of https://gitlab.freedesktop.org/agd5f/linux into drm-next 2022-11-22 13:41:11 +10:00
shmobile
sis
solomon drm/fb-helper: Move generic fbdev emulation into separate source file 2022-11-05 17:12:04 +01:00
sprd
sti hardening updates for v6.2-rc1 2022-12-14 12:20:00 -08:00
stm drm/fb-helper: Move generic fbdev emulation into separate source file 2022-11-05 17:12:04 +01:00
sun4i drm/sun4i: dsi: Add the A100 variant 2022-11-07 14:09:54 +01:00
tdfx
tegra drm/tegra: Changes for v6.2-rc1 2022-11-30 13:08:58 +10:00
tests drm for 6.2: 2022-12-13 11:59:58 -08:00
tidss drm/fb-helper: Remove unnecessary include statements 2022-11-05 17:12:04 +01:00
tilcdc drm/fb-helper: Move generic fbdev emulation into separate source file 2022-11-05 17:12:04 +01:00
tiny drm/fb-helper: Move generic fbdev emulation into separate source file 2022-11-05 17:12:04 +01:00
ttm drm/ttm: optimize pool allocations a bit v2 2022-11-08 10:45:30 +01:00
tve200 drm/fb-helper: Move generic fbdev emulation into separate source file 2022-11-05 17:12:04 +01:00
udl drm/fb-helper: Move generic fbdev emulation into separate source file 2022-11-05 17:12:04 +01:00
v3d drm/v3d: add missing mutex_destroy 2022-11-10 11:49:40 -01:00
vboxvideo drm/fb-helper: Remove unnecessary include statements 2022-11-05 17:12:04 +01:00
vc4 Linux 6.1-rc6 2022-11-24 11:05:43 +10:00
vgem
via
virtio drm/fb-helper: Remove unnecessary include statements 2022-11-05 17:12:04 +01:00
vkms drm/fb-helper: Move generic fbdev emulation into separate source file 2022-11-05 17:12:04 +01:00
vmwgfx drm for 6.2: 2022-12-13 11:59:58 -08:00
xen drm/fb-helper: Remove unnecessary include statements 2022-11-05 17:12:04 +01:00
xlnx drm-misc-next for 6.2: 2022-11-16 07:17:32 +10:00
drm_agpsupport.c
drm_aperture.c
drm_atomic.c
drm_atomic_helper.c drm/atomic-helper: Add {begin,end}_fb_access to plane helpers 2022-11-08 17:10:27 +01:00
drm_atomic_state_helper.c
drm_atomic_uapi.c
drm_auth.c
drm_blend.c
drm_bridge.c
drm_bridge_connector.c
drm_buddy.c
drm_bufs.c
drm_cache.c
drm_client.c drm/client: Prevent NULL dereference in drm_client_buffer_delete() 2022-11-02 13:53:57 +03:00
drm_client_modeset.c drm/client: Add some tests for drm_connector_pick_cmdline_mode() 2022-11-15 10:08:37 +01:00
drm_color_mgmt.c
drm_connector.c drm-misc-next for 6.2: 2022-10-28 13:16:36 +10:00
drm_context.c
drm_crtc.c
drm_crtc_helper.c drm/fb-helper: Remove unnecessary include statements 2022-11-05 17:12:04 +01:00
drm_crtc_helper_internal.h
drm_crtc_internal.h drm/edid: move edid load declarations to internal header 2022-10-26 09:53:56 +03:00
drm_damage_helper.c
drm_debugfs.c drm/edid: abstract debugfs override EDID show better 2022-10-26 09:53:08 +03:00
drm_debugfs_crc.c
drm_displayid.c
drm_dma.c
drm_drv.c This tag contains the patches that add the new compute acceleration 2022-11-30 12:01:27 +10:00
drm_dumb_buffers.c
drm_edid.c drm-misc-next for 6.2: 2022-11-22 09:21:17 +10:00
drm_edid_load.c drm/edid/firmware: stop using a throwaway platform device 2022-11-16 14:54:44 +02:00
drm_encoder.c
drm_encoder_slave.c
drm_fb_dma_helper.c
drm_fb_helper.c Revert "drm/fb-helper: Perform damage handling in deferred-I/O helper" 2022-11-23 09:11:32 +01:00
drm_fbdev_generic.c drm/fbdev: Include <linux/vmalloc.h> 2022-11-08 16:15:48 +01:00
drm_file.c accel: add dedicated minor for accelerator devices 2022-11-22 13:14:44 +02:00
drm_flip_work.c
drm_format_helper.c Linux 6.1-rc6 2022-11-24 11:05:43 +10:00
drm_fourcc.c drm/fourcc: Fix vsub/hsub for Q410 and Q401 2022-11-16 11:29:09 +00:00
drm_framebuffer.c
drm_gem.c Merge drm/drm-next into drm-misc-next 2022-10-18 15:00:03 +02:00
drm_gem_atomic_helper.c drm/gem: Implement shadow-plane {begin, end}_fb_access with vmap 2022-11-08 17:10:41 +01:00
drm_gem_dma_helper.c drm/gem: Take reservation lock for vmap/vunmap operations 2022-10-18 01:21:38 +03:00
drm_gem_framebuffer_helper.c drm/fb-helper: Remove unnecessary include statements 2022-11-05 17:12:04 +01:00
drm_gem_shmem_helper.c drm/shmem-helper: Avoid vm_open error paths 2022-12-04 18:56:53 +01:00
drm_gem_ttm_helper.c drm/gem: Take reservation lock for vmap/vunmap operations 2022-10-18 01:21:38 +03:00
drm_gem_vram_helper.c drm/gem-vram: Fix deadlock in drm_gem_vram_vmap() 2022-11-14 15:55:21 +03:00
drm_hashtab.c
drm_internal.h drm: Fix potential null-ptr-deref in drm_vblank_destroy_worker() 2022-11-10 18:49:02 -05:00
drm_ioc32.c
drm_ioctl.c
drm_irq.c
drm_kms_helper_common.c
drm_lease.c
drm_legacy.h
drm_legacy_misc.c
drm_lock.c
drm_managed.c
drm_memory.c
drm_mipi_dbi.c
drm_mipi_dsi.c gpu/drm: fix repeated words in comments 2022-10-24 09:26:56 +02:00
drm_mm.c
drm_mode_config.c Revert "drm: hide unregistered connectors from GETCONNECTOR IOCTL" 2022-11-15 19:18:41 +01:00
drm_mode_object.c
drm_modes.c drm/connector: Add pixel clock to cmdline mode 2022-11-15 10:10:24 +01:00
drm_modeset_helper.c
drm_modeset_lock.c
drm_of.c
drm_panel.c
drm_panel_orientation_quirks.c drm: panel-orientation-quirks: Add quirk for Acer Switch V 10 (SW5-017) 2022-11-08 10:12:45 +01:00
drm_pci.c
drm_plane.c
drm_plane_helper.c
drm_prime.c drm: Assert held reservation lock for dma-buf mmapping 2022-11-11 23:49:47 +03:00
drm_print.c
drm_privacy_screen.c
drm_privacy_screen_x86.c
drm_probe_helper.c drm/fb-helper: Remove unnecessary include statements 2022-11-05 17:12:04 +01:00
drm_property.c
drm_rect.c gpu/drm: fix repeated words in comments 2022-10-24 09:27:04 +02:00
drm_scatter.c
drm_self_refresh_helper.c
drm_simple_kms_helper.c drm/atomic-helper: Add {begin,end}_fb_access to plane helpers 2022-11-08 17:10:27 +01:00
drm_syncobj.c
drm_sysfs.c Driver Core changes for 6.2-rc1 2022-12-16 03:54:54 -08:00
drm_trace.h
drm_trace_points.c
drm_vblank.c
drm_vblank_work.c
drm_vm.c
drm_vma_manager.c
drm_writeback.c
Kconfig Merge tag 'amd-drm-next-6.2-2022-11-18' of https://gitlab.freedesktop.org/agd5f/linux into drm-next 2022-11-22 13:41:11 +10:00
Makefile drivers/accel: define kconfig and register a new major 2022-11-22 13:13:51 +02:00