Fix memory leak in amdgpu_debugfs_gpr_read not freeing data when
amdgpu_virt_enable_access_debugfs failed.
Fixes: 95a2f917387a2 ("drm/amdgpu: restrict debugfs register accessunder
SR-IOV")
Signed-off-by: Chen Tao <chentao...@huawei.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
index bea8c36a53a4..f66ee4b8f04e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
@@ -868,8 +868,10 @@ static ssize_t amdgpu_debugfs_gpr_read(struct file *f,
char __user *buf,
}
r = amdgpu_virt_enable_access_debugfs(adev);
- if (r < 0)
+ if (r < 0) {
+ kfree(data);
return r;
+ }
/* switch to the specific se/sh/cu */
mutex_lock(&adev->grbm_idx_mutex);
--
2.22.0
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