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| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2020-08-09 23:34:06 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-08-11 01:06:10 +0300 |
| commit | 78484d7c747e30468b35bd5f19edf602f50162a7 (patch) | |
| tree | 9e95af6e7ee57a8664ad9aae18fb84ce46be7fed /drivers/gpu/drm/amd | |
| parent | f87812284172a9809820d10143b573d833cd3f75 (diff) | |
| download | linux-78484d7c747e30468b35bd5f19edf602f50162a7.tar.xz | |
drm: amdgpu: Use the correct size when allocating memory
When '*sgt' is allocated, we must allocated 'sizeof(**sgt)' bytes instead
of 'sizeof(*sg)'.
The sizeof(*sg) is bigger than sizeof(**sgt) so this wastes memory but
it won't lead to corruption.
Fixes: f44ffd677fb3 ("drm/amdgpu: add support for exporting VRAM using DMA-buf v3")
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c index 134cc36e30c5..0739e259bf91 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c @@ -462,7 +462,7 @@ int amdgpu_vram_mgr_alloc_sgt(struct amdgpu_device *adev, unsigned int pages; int i, r; - *sgt = kmalloc(sizeof(*sg), GFP_KERNEL); + *sgt = kmalloc(sizeof(**sgt), GFP_KERNEL); if (!*sgt) return -ENOMEM; |