diff options
| author | Xiongfeng Wang <wangxiongfeng2@huawei.com> | 2022-11-22 14:30:43 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-11-29 19:03:39 +0300 |
| commit | ca54639c7752edf1304d92ff4d0c049d4efc9ba0 (patch) | |
| tree | f925f4f9d6d9191c2e722cfd63b25bcb9af36b53 /drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c | |
| parent | abcb2acee0d65cccac7de6833d4a63674cb1905d (diff) | |
| download | linux-ca54639c7752edf1304d92ff4d0c049d4efc9ba0.tar.xz | |
drm/amdgpu: Fix PCI device refcount leak in amdgpu_atrm_get_bios()
As comment of pci_get_class() says, it returns a pci_device with its
refcount increased and decreased the refcount for the input parameter
@from if it is not NULL.
If we break the loop in amdgpu_atrm_get_bios() with 'pdev' not NULL, we
need to call pci_dev_put() to decrease the refcount. Add the missing
pci_dev_put() to avoid refcount leak.
Fixes: d38ceaf99ed0 ("drm/amdgpu: add core driver (v4)")
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c index e363f56c72af..30c28a69e847 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c @@ -317,6 +317,7 @@ static bool amdgpu_atrm_get_bios(struct amdgpu_device *adev) if (!found) return false; + pci_dev_put(pdev); adev->bios = kmalloc(size, GFP_KERNEL); if (!adev->bios) { |