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linux/drivers/gpu/drm
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Harshit Mogalapalli 1566e8be73 i915/perf: Fix NULL deref bugs with drm_dbg() calls 
commit 471aa951bf1206d3c10d0daa67005b8e4db4ff83 upstream.

When i915 perf interface is not available dereferencing it will lead to
NULL dereferences.

As returning -ENOTSUPP is pretty clear return when perf interface is not
available.

Fixes: 2fec539112 ("i915/perf: Replace DRM_DEBUG with driver specific drm_dbg call")
Suggested-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: <stable@vger.kernel.org> # v6.0+
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231027172822.2753059-1-harshit.m.mogalapalli@oracle.com
[tursulin: added stable tag]
(cherry picked from commit 36f27350ff745bd228ab04d7845dfbffc177a889)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-11-28 16:56:26 +00:00
..
amd
drm/amdgpu: fix software pci_unplug on some chips
2023-11-28 16:56:21 +00:00
arm
drm/komeda: drop all currently held locks if deadlock happens
2023-11-28 16:56:16 +00:00
armada
drm/armada: Fix off-by-one error in armada_overlay_get_property()
2023-09-19 12:22:38 +02:00
aspeed
drm/aspeed: Fix vga_pw sysfs output
2021-12-01 09:04:47 +01:00
ast
drm/ast: Fix DRAM init on AST2200
2023-09-19 12:22:55 +02:00
atmel-hlcdc
drm/atmel-hlcdc: Convert to Linux IRQ interfaces
2021-08-10 20:00:58 +02:00
bridge
drm/bridge: lt9611uxc: fix the race in the error path
2023-11-20 11:08:20 +01:00
etnaviv
drm/etnaviv: fix dumping of active MMU context
2023-09-19 12:22:37 +02:00
exynos
drm/exynos: fix a possible null-pointer dereference due to data race in exynos_drm_crtc_atomic_disable()
2023-09-23 11:09:57 +02:00
fsl-dcu
drm/fsl-dcu: Fix return type of fsl_dcu_drm_connector_mode_valid()
2022-12-31 13:14:44 +01:00
gma500
drm/gma500: Fix BUG: sleeping function called from invalid context errors
2022-09-28 11:11:55 +02:00
gud
drm/gud: Get offset-adjusted mapping from drm_gem_fb_vmap()
2021-08-08 20:27:24 +02:00
hisilicon
drm/hisilicon: Add depends on MMU
2022-09-28 11:11:50 +02:00
hyperv
drm/hyperv: Don't overwrite dirt_needed value set by host
2023-05-17 11:50:15 +02:00
i2c
…
i810
drm: IRQ midlayer is now legacy
2021-08-10 20:14:01 +02:00
i915
i915/perf: Fix NULL deref bugs with drm_dbg() calls
2023-11-28 16:56:26 +00:00
imx
drm/imx/ipuv3: Fix front porch adjustment upon hactive aligning
2023-08-11 15:13:59 +02:00
ingenic
drm/ingenic: Fix missing platform_driver_unregister() call in ingenic_drm_init()
2023-01-12 11:59:00 +01:00
kmb
drm/kmb: Fix for build errors with Warray-bounds
2022-02-08 18:34:09 +01:00
lib
…
lima
drm/lima/lima_drv: Add missing unwind goto in lima_pdev_probe()
2023-05-11 23:00:23 +09:00
mcde
drm/mcde: Fix refcount leak in mcde_dsi_bind
2022-08-17 14:23:23 +02:00
mediatek
drm: mediatek: mtk_dsi: Fix NO_EOT_PACKET settings/handling
2023-11-20 11:08:20 +01:00
meson
drm/meson: fix memory leak on ->hpd_notify callback
2023-10-06 13:18:24 +02:00
mga
drm: IRQ midlayer is now legacy
2021-08-10 20:14:01 +02:00
mgag200
drm/mgag200: Fix PLL setup for G200_SE_A rev >=4
2023-01-12 11:59:20 +01:00
msm
drm/msm/dp: skip validity check for DP CTS EDID checksum
2023-11-28 16:56:17 +00:00
mxsfb
drm: mxsfb: DRM_MXSFB should depend on ARCH_MXS || ARCH_MXC
2023-03-10 09:39:19 +01:00
nouveau
drm/nouveau/disp: Revert a NULL check inside nouveau_connector_get_modes
2023-08-16 18:22:00 +02:00
omapdrm
drm/omap: dsi: Fix excessive stack usage
2023-03-10 09:39:52 +01:00
panel
drm/panel: st7703: Pick different reset sequence
2023-11-28 16:56:17 +00:00
panfrost
drm/panfrost: Fix the panfrost_mmu_map_fault_addr() error path
2023-04-13 16:48:25 +02:00
pl111
drm:pl111: Add of_node_put() when breaking out of for_each_available_child_of_node()
2022-10-26 12:34:51 +02:00
qxl
drm/qxl: prevent memory leak
2023-11-28 16:56:21 +00:00
r128
drm/r128: fix build for UML
2021-10-15 15:05:10 +10:00
radeon
drm/radeon: possible buffer overflow
2023-11-20 11:08:19 +01:00
rcar-du
drm/rcar: stop using 'imply' for dependencies
2023-06-09 10:32:34 +02:00
rockchip
drm/rockchip: Fix type promotion bug in rockchip_gem_iommu_map()
2023-11-20 11:08:20 +01:00
savage
drm/savage: Remove references to struct drm_device.pdev
2021-05-03 19:48:30 +02:00
scheduler
drm/sched: Allow using a dedicated workqueue for the timeout/fault tdr
2021-07-01 08:53:25 +02:00
selftests
drm/selftests/test-drm_dp_mst_helper: Fix memory leak in sideband_msg_req_encode_decode
2022-04-08 14:23:24 +02:00
shmobile
drm/shmobile: Convert to Linux IRQ interfaces
2021-07-25 11:01:12 +02:00
sis
drm/sis: Remove references to struct drm_device.pdev
2021-05-03 19:48:33 +02:00
sti
drm/sti: Fix return type of sti_{dvo,hda,hdmi}_connector_mode_valid()
2022-12-31 13:14:44 +01:00
stm
stm: ltdc: fix two incorrect NULL checks on list iterator
2022-06-09 10:23:28 +02:00
sun4i
drm: sun4i_tcon: use devm_clk_get_enabled in sun4i_tcon_init_clocks
2023-07-23 13:46:59 +02:00
tdfx
…
tegra
drm/tegra: dpaux: Fix incorrect return value of platform_get_irq
2023-09-19 12:22:38 +02:00
tidss
drm: tidss: Fix pixel format definition
2023-03-10 09:39:20 +01:00
tilcdc
tilcdc: tilcdc_external: fix an incorrect NULL check on list iterator
2022-06-09 10:23:29 +02:00
tiny
drm: gm12u320: Fix the timeout usage for usb_bulk_msg()
2023-09-23 11:10:01 +02:00
ttm
drm/ttm: Reorder sys manager cleanup step
2023-11-08 17:26:47 +01:00
tve200
drm/tiny: drm_gem_simple_display_pipe_prepare_fb is the default
2021-06-24 15:40:11 +02:00
udl
drm/udl: Restore display mode on resume
2022-10-26 12:34:24 +02:00
v3d
drm/shmem-helper: Pass GEM shmem object in public interfaces
2022-08-17 14:23:19 +02:00
vboxvideo
drm/vboxvideo: fix a NULL vs IS_ERR() check
2022-01-27 11:03:13 +01:00
vc4
drm/vc4: hdmi: Correct interlaced timings again
2023-03-10 09:39:21 +01:00
vgem
drm/vgem: add missing mutex_destroy
2023-05-11 23:00:20 +09:00
via
drm: IRQ midlayer is now legacy
2021-08-10 20:14:01 +02:00
virtio
drm/virtio: Fix error code in virtio_gpu_object_shmem_init()
2023-03-11 13:57:40 +01:00
vkms
drm/vkms: Fix null-ptr-deref in vkms_release()
2023-03-10 09:39:20 +01:00
vmwgfx
drm: vmwgfx_surface.c: copy user-array safely
2023-11-28 16:56:16 +00:00
xen
drm/tiny: drm_gem_simple_display_pipe_prepare_fb is the default
2021-06-24 15:40:11 +02:00
xlnx
drm: xlnx: zynqmp_dpsub: Add missing check for dma_set_mask
2023-09-19 12:22:38 +02:00
zte
drm/zte: Don't set struct drm_device.irq_enabled
2021-06-29 15:40:53 +02:00
drm_agpsupport.c
drm: Include <asm/agp.h> iff CONFIG_AGP is set
2021-05-11 14:13:33 +02:00
drm_aperture.c
drm/aperture: Run fbdev removal before internal helpers
2022-07-21 21:24:44 +02:00
drm_atomic_helper.c
drm/atomic-helper: relax unregistered connector check
2023-10-25 11:58:58 +02:00
drm_atomic_state_helper.c
…
drm_atomic_uapi.c
drm/atomic: Don't pollute crtc_state->mode_blob with error pointers
2022-02-23 12:03:08 +01:00
drm_atomic.c
drm/atomic: Fix potential use-after-free in nonblocking commits
2023-07-23 13:47:58 +02:00
drm_auth.c
drm: add lockdep assert to drm_is_current_master_locked
2021-08-05 12:08:15 +02:00
drm_blend.c
drm: drm_blend.c: Use tabs for code indents
2021-04-22 10:46:35 +02:00
drm_bridge_connector.c
drm/bridge_connector: enable HPD by default if supported
2022-06-09 10:22:44 +02:00
drm_bridge.c
drm/bridge: Avoid uninitialized variable warning
2022-10-26 12:34:50 +02:00
drm_bufs.c
drm: Fix typo in comments
2021-08-02 10:19:43 +02:00
drm_cache.c
drm: Fix typo in comments
2021-08-02 10:19:43 +02:00
drm_client_modeset.c
drm/client: Fix memory leak in drm_client_modeset_probe
2023-07-27 08:46:55 +02:00
drm_client.c
…
drm_color_mgmt.c
…
drm_connector.c
drm/connector: send hotplug uevent on connector cleanup
2023-01-12 11:58:59 +01:00
drm_context.c
drm: correct function name drm_legacy_ctxbitmap_flush()
2021-05-16 22:01:14 +02:00
drm_crtc_helper_internal.h
…
drm_crtc_helper.c
…
drm_crtc_internal.h
Backmerge remote-tracking branch 'drm/drm-next' into drm-misc-next
2021-07-27 12:48:17 +02:00
drm_crtc.c
…
drm_damage_helper.c
drm: Fix typo in comments
2021-08-02 10:19:43 +02:00
drm_debugfs_crc.c
drm/doc: document how userspace should find out CRTC index
2021-06-10 19:14:47 +02:00
drm_debugfs.c
drm: avoid blocking in drm_clients_info's rcu section
2021-07-20 20:14:42 +02:00
drm_displayid.c
drm/displayid: add displayid_get_header() and check bounds better
2023-05-24 17:36:43 +01:00
drm_dma.c
drm: remove usage of drm_pci_alloc/free
2021-04-26 18:19:15 +02:00
drm_dp_aux_bus.c
drm/dp: Export symbol / kerneldoc fixes for DP AUX bus
2022-08-17 14:23:16 +02:00
drm_dp_aux_dev.c
drm/dp: Add backpointer to drm_device in drm_dp_aux
2021-04-27 18:43:42 -04:00
drm_dp_cec.c
…
drm_dp_dual_mode_helper.c
drm/display: Don't assume dual mode adaptors support i2c sub-addressing
2022-12-02 17:41:00 +01:00
drm_dp_helper.c
drm/dp: Don't rewrite link config when setting phy test pattern
2022-10-26 12:35:42 +02:00
drm_dp_mst_topology_internal.h
…
drm_dp_mst_topology.c
drm/dp_mst: Fix NULL deref in get_mst_branch_device_by_guid_helper()
2023-11-08 17:26:37 +01:00
drm_drv.c
drm/drv: Fix potential memory leak in drm_dev_init()
2022-11-26 09:24:36 +01:00
drm_dsc.c
drm: Fix typo in comments
2021-08-02 10:19:43 +02:00
drm_dumb_buffers.c
…
drm_edid_load.c
…
drm_edid.c
drm/edid: fix AVI infoframe aspect ratio handling
2023-03-10 09:40:14 +01:00
drm_encoder_slave.c
…
drm_encoder.c
…
drm_fb_cma_helper.c
drm: Add and export function drm_fb_cma_sync_non_coherent
2021-05-25 11:42:09 +01:00
drm_fb_helper.c
drm/fb-helper: set x/yres_virtual in drm_fb_helper_check_var
2023-05-01 08:23:23 +09:00
drm_file.c
drm: Fix typo in comments
2021-08-02 10:19:43 +02:00
drm_flip_work.c
…
drm_format_helper.c
drm: Fix typo in comments
2021-08-02 10:19:43 +02:00
drm_fourcc.c
drm/fourcc: Add missing big-endian XRGB1555 and RGB565 formats
2023-03-10 09:39:19 +01:00
drm_framebuffer.c
drm: Fix typo in comments
2021-08-02 10:19:43 +02:00
drm_gem_atomic_helper.c
drm/gem: Provide offset-adjusted framebuffer BO mappings
2021-08-08 20:26:16 +02:00
drm_gem_cma_helper.c
drm/cma-helper: Set VM_DONTEXPAND for mmap
2022-02-23 12:03:09 +01:00
drm_gem_framebuffer_helper.c
drm/gem: Provide offset-adjusted framebuffer BO mappings
2021-08-08 20:26:16 +02:00
drm_gem_shmem_helper.c
drm/shmem-helper: Reset vma->vm_ops before calling dma_buf_mmap()
2023-08-16 18:21:58 +02:00
drm_gem_ttm_helper.c
drm/ttm: fix locking in vmap/vunmap TTM GEM helpers
2022-07-29 17:25:05 +02:00
drm_gem_vram_helper.c
drm/vram-helper: fix function names in vram helper doc
2023-07-23 13:46:58 +02:00
drm_gem.c
drm/gem: Fix GEM handle release errors
2022-09-15 11:30:01 +02:00
drm_hashtab.c
…
drm_hdcp.c
drm: Fix typo in comments
2021-08-02 10:19:43 +02:00
drm_internal.h
drm: Fix potential null-ptr-deref in drm_vblank_destroy_worker()
2022-11-26 09:24:37 +01:00
drm_ioc32.c
drm: Copy drm_wait_vblank to user before returning
2021-08-17 13:56:03 -04:00
drm_ioctl.c
drm: Prevent drm_copy_field() to attempt copying a NULL pointer
2022-10-26 12:35:38 +02:00
drm_irq.c
drm: IRQ midlayer is now legacy
2021-08-10 20:14:01 +02:00
drm_kms_helper_common.c
…
drm_lease.c
drm: clean up unused kerneldoc in drm_lease.c
2021-07-30 11:55:41 +02:00
drm_legacy_misc.c
drm: IRQ midlayer is now legacy
2021-08-10 20:14:01 +02:00
drm_legacy.h
drm: Mark IRQ_BUSID ioctl as legacy
2021-05-17 21:19:48 +02:00
drm_lock.c
…
drm_managed.c
…
drm_memory.c
drm: Mark AGP implementation and ioctls as legacy
2021-05-10 15:46:58 +02:00
drm_mipi_dbi.c
drm/mipi-dbi: align max_chunk to 2 in spi_transfer
2022-08-17 14:23:17 +02:00
drm_mipi_dsi.c
drm/mipi-dsi: Create devm device attachment
2023-11-20 11:08:19 +01:00
drm_mm.c
drm: Fix typo in comments
2021-08-02 10:19:43 +02:00
drm_mode_config.c
drm: Fix potential null-ptr-deref due to drmm_mode_config_init()
2023-03-10 09:39:19 +01:00
drm_mode_object.c
drm: Fix typo in comments
2021-08-02 10:19:43 +02:00
drm_modes.c
drm: Fix typo in comments
2021-08-02 10:19:43 +02:00
drm_modeset_helper.c
…
drm_modeset_lock.c
…
drm_of.c
drm/bridge: Add a function to abstract away panels
2022-08-17 14:23:24 +02:00
drm_panel_orientation_quirks.c
drm: panel-orientation-quirks: Add quirk for One Mix 2S
2023-10-25 11:59:01 +02:00
drm_panel.c
drm/dp: Move panel DP AUX backlight support to drm_dp_helper
2021-07-13 06:38:37 -07:00
drm_pci.c
drm: Mark IRQ_BUSID ioctl as legacy
2021-05-17 21:19:48 +02:00
drm_plane_helper.c
drm/plane-helper: fix uninitialized variable reference
2021-11-18 19:17:00 +01:00
drm_plane.c
drm/plane: Move range check for format_count earlier
2022-06-09 10:22:34 +02:00
drm_prime.c
drm/gem: Fix GEM handle release errors
2022-09-15 11:30:01 +02:00
drm_print.c
isystem: ship and use stdarg.h
2021-08-19 09:02:55 +09:00
drm_probe_helper.c
drm/probe-helper: Cancel previous job before starting new one
2023-05-11 23:00:20 +09:00
drm_property.c
drm: Fix typo in comments
2021-08-02 10:19:43 +02:00
drm_rect.c
…
drm_scatter.c
…
drm_scdc_helper.c
drm: Fix typo in comments
2021-08-02 10:19:43 +02:00
drm_self_refresh_helper.c
…
drm_simple_kms_helper.c
drm/simple-kms: Support custom CRTC state
2021-08-08 20:14:08 +02:00
drm_syncobj.c
drm/syncobj: fix DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE
2023-11-20 11:08:30 +01:00
drm_sysfs.c
…
drm_trace_points.c
…
drm_trace.h
…
drm_vblank_work.c
…
drm_vblank.c
drm: IRQ midlayer is now legacy
2021-08-10 20:14:01 +02:00
drm_vm.c
drm: Mark AGP implementation and ioctls as legacy
2021-05-10 15:46:58 +02:00
drm_vma_manager.c
drm: Fix typo in comments
2021-08-02 10:19:43 +02:00
drm_writeback.c
…
Kconfig
Revert "drm: fb_helper: fix CONFIG_FB dependency"
2021-11-21 13:44:12 +01:00
Makefile
drm/bochs: Move to tiny/
2021-07-05 08:54:44 +02:00