drm/amdgpu: avoid using null object of framebuffer

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commit bcfa48ff78 upstream.

Instead of using state->fb->obj[0] directly, get object from framebuffer
by calling drm_gem_fb_get_obj() and return error code when object is
null to avoid using null object of framebuffer.

Reported-by: Fusheng Huang <fusheng.huang@ecarxgroup.com>
Signed-off-by: Julia Zhang <Julia.Zhang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Julia Zhang 2024-06-03 19:31:09 +08:00 • committed by Greg Kroah-Hartman

parent 0d17604f2e

commit 7f35e01cb0

1 changed files with 16 additions and 2 deletions

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drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c

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