Ksawlii/kernel_samsung_a53x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

drm/amdgpu: refine error handling in amdgpu_ttm_tt_pin_userptr

Browse source 
[ Upstream commit 46186667f98fb7158c98f4ff5da62c427761ffcd ]

Free sg table when dma_map_sgtable() failed to avoid memory leak.

Signed-off-by: Lang Yu <lang.yu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Lang Yu 2024-10-18 17:21:09 +08:00 • committed by Ksawlii
parent 9ae5ccb0bd
commit 0a906ae7f6
1 changed files with 3 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
View file

@ -1006,7 +1006,7 @@ static int amdgpu_ttm_tt_pin_userptr(struct ttm_bo_device *bdev,
/* Map SG to device */
r = dma_map_sgtable(adev->dev, ttm->sg, direction, 0);
if (r)
goto release_sg;
goto release_sg_table;
/* convert SG to linear array of pages and dma addresses */
drm_prime_sg_to_page_addr_arrays(ttm->sg, ttm->pages,
@ -1014,6 +1014,8 @@ static int amdgpu_ttm_tt_pin_userptr(struct ttm_bo_device *bdev,
return 0;
release_sg_table:
sg_free_table(ttm->sg);
release_sg:
kfree(ttm->sg);
ttm->sg = NULL;