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fb5ceca046efc84f69fcf9779a013f8a0e63bbff
linux/drivers/gpu/drm/mediatek
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Stuart Lee b6961d187f drm/mediatek: Fix access violation in mtk_drm_crtc_dma_dev_get 
Add error handling to check NULL input in
mtk_drm_crtc_dma_dev_get function.

While display path is not configured correctly, none of crtc is
established. So the caller of mtk_drm_crtc_dma_dev_get may pass
input parameter *crtc as NULL, Which may cause coredump when
we try to get the container of NULL pointer.

Fixes: cb1d6bcca5 ("drm/mediatek: Add dma dev get function")
Signed-off-by: Stuart Lee <stuart.lee@mediatek.com>
Cc: stable@vger.kernel.org
Reviewed-by: AngeloGioacchino DEl Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Macpaul Lin <macpaul.lin@mediatek.com>
Link: https://patchwork.kernel.org/project/dri-devel/patch/20231110012914.14884-2-stuart.lee@mediatek.com/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2023-12-11 14:40:05 +00:00
..
Kconfig
drm/mediatek: dp: Add support for embedded DisplayPort aux-bus
2023-08-09 23:25:00 +00:00
Makefile
drm/mediatek: Add ovl_adaptor support for MT8195
2023-03-22 16:25:16 +00:00
mtk_cec.c
drm/mediatek: Convert to platform remove callback returning void
2023-08-10 23:41:55 +00:00
mtk_cec.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
mtk_disp_aal.c
Merge tag 'mediatek-drm-next-6.7' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-next
2023-10-20 16:34:38 +10:00
mtk_disp_ccorr.c
Merge tag 'mediatek-drm-next-6.6' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-next
2023-08-15 12:07:19 +10:00
mtk_disp_color.c
Merge tag 'mediatek-drm-next-6.6' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-next
2023-08-15 12:07:19 +10:00
mtk_disp_drv.h
drm/mediatek: gamma: Support multi-bank gamma LUT
2023-10-16 15:19:13 +00:00
mtk_disp_gamma.c
drm/mediatek: mtk_disp_gamma: Fix breakage due to merge issue
2023-11-23 14:49:47 +00:00
mtk_disp_merge.c
Merge tag 'mediatek-drm-next-6.6' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-next
2023-08-15 12:07:19 +10:00
mtk_disp_ovl_adaptor.c
Merge tag 'mediatek-drm-next-6.6' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-next
2023-08-15 12:07:19 +10:00
mtk_disp_ovl.c
Merge tag 'mediatek-drm-next-6.6' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-next
2023-08-15 12:07:19 +10:00
mtk_disp_rdma.c
Merge tag 'mediatek-drm-next-6.6' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-next
2023-08-15 12:07:19 +10:00
mtk_dp_reg.h
drm/mediatek: dp: Add support MT8188 dp/edp function
2023-09-24 14:00:23 +00:00
mtk_dp.c
drm/mediatek/dp: fix memory leak on ->get_edid callback error path
2023-09-24 14:35:41 +00:00
mtk_dpi_regs.h
drm/mediatek: dpi: Add dp_intf support
2022-07-06 22:51:44 +08:00
mtk_dpi.c
drm/mediatek: dpi: Support dynamic connector selection
2023-10-08 00:59:12 +00:00
mtk_drm_crtc.c
drm/mediatek: Fix access violation in mtk_drm_crtc_dma_dev_get
2023-12-11 14:40:05 +00:00
mtk_drm_crtc.h
drm/mediatek: gamma: Support SoC specific LUT size
2023-10-15 23:44:59 +00:00
mtk_drm_ddp_comp.c
drm/mediatek: gamma: Support SoC specific LUT size
2023-10-15 23:44:59 +00:00
mtk_drm_ddp_comp.h
drm/mediatek: gamma: Support SoC specific LUT size
2023-10-15 23:44:59 +00:00
mtk_drm_drv.c
drm/mediatek: fix kernel oops if no crtc is found
2023-11-23 15:04:52 +00:00
mtk_drm_drv.h
drm/mediatek: Add connector dynamic selection capability
2023-10-08 00:57:21 +00:00
mtk_drm_gem.c
BackMerge tag 'v6.6-rc7' into drm-next
2023-10-23 18:20:06 +10:00
mtk_drm_gem.h
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
mtk_drm_plane.c
drm/mediatek: Fix iommu fault by swapping FBs after updating plane state
2023-10-08 01:28:31 +00:00
mtk_drm_plane.h
drm/mediatek: Refactor pixel format logic
2023-03-12 15:03:56 +00:00
mtk_dsi.c
drm: mediatek: mtk_dsi: Fix NO_EOT_PACKET settings/handling
2023-10-18 13:18:22 +00:00
mtk_ethdr.c
drm: Explicitly include correct DT includes
2023-07-21 09:12:43 +02:00
mtk_ethdr.h
drm/mediatek: Add ETHDR support for MT8195
2023-03-22 16:25:00 +00:00
mtk_hdmi_ddc.c
drm/mediatek: Convert to platform remove callback returning void
2023-08-10 23:41:55 +00:00
mtk_hdmi_regs.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
mtk_hdmi.c
drm/mediatek: Convert to platform remove callback returning void
2023-08-10 23:41:55 +00:00
mtk_hdmi.h
drm/mediatek: Separate mtk_hdmi_phy to an independent module
2020-09-06 07:02:54 +08:00
mtk_mdp_rdma.c
Merge tag 'mediatek-drm-next-6.6' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-next
2023-08-15 12:07:19 +10:00
mtk_mdp_rdma.h
drm/mediatek: Add display MDP RDMA support for MT8195
2022-06-27 22:24:14 +08:00