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authorLang Yu <lang.yu@amd.com>2024-10-18 17:21:09 +0800
committerAlex Deucher <alexander.deucher@amd.com>2024-10-24 18:06:24 -0400
commit46186667f98fb7158c98f4ff5da62c427761ffcd (patch)
tree3142aac15f84fbb3cbfe081e0492a8d5fd6e3ec2 /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
parentd37bc6a4ed252083c8f883597389e7f33ad8b670 (diff)
drm/amdgpu: refine error handling in amdgpu_ttm_tt_pin_userptr
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 74adb983ab03..0637414fc70e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -812,7 +812,7 @@ static int amdgpu_ttm_tt_pin_userptr(struct ttm_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_dma_addr_array(ttm->sg, gtt->ttm.dma_address,
@@ -820,6 +820,8 @@ static int amdgpu_ttm_tt_pin_userptr(struct ttm_device *bdev,
return 0;
+release_sg_table:
+ sg_free_table(ttm->sg);
release_sg:
kfree(ttm->sg);
ttm->sg = NULL;