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linux/drivers/gpu
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Ivan Abramov b05b5627f0 drm/gma500: Add NULL check for pci_gfx_root in mid_get_vbt_data() 
[ Upstream commit 9af152dcf1 ]

Since pci_get_domain_bus_and_slot() can return NULL, add NULL check for
pci_gfx_root in the mid_get_vbt_data().

This change is similar to the checks implemented in mid_get_fuse_settings()
and mid_get_pci_revID(), which were introduced by commit 0cecdd818c
("gma500: Final enables for Oaktrail") as "additional minor
bulletproofing".

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: f910b41105 ("gma500: Add the glue to the various BIOS and firmware interfaces")
Signed-off-by: Ivan Abramov <i.abramov@mt-integration.ru>
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250306112046.17144-1-i.abramov@mt-integration.ru
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-03-22 12:50:48 -07:00
..
drm drm/gma500: Add NULL check for pci_gfx_root in mid_get_vbt_data() 2025-03-22 12:50:48 -07:00
host1x gpu: host1x: Do not setup DMA for virtual devices 2024-05-17 12:02:15 +02:00
ipu-v3 drm for 6.6-rc1 2023-08-30 13:34:34 -07:00
trace gpu/trace: add a gpu total memory usage tracepoint 2020-03-03 17:52:41 -05:00
vga PCI/VGA: Move vgaarb to drivers/pci 2022-03-09 18:30:46 -06:00
Makefile gpu: host1x: Add context bus 2022-06-01 11:50:42 +02:00