From: Lang Yu Date: Fri, 18 Oct 2024 09:21:09 +0000 (+0800) Subject: drm/amdgpu: refine error handling in amdgpu_ttm_tt_pin_userptr X-Git-Tag: v6.13-rc1~26^2~20^2~6 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=46186667f98fb7158c98f4ff5da62c427761ffcd;p=linux-block.git 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 Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- 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;