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drm/amdgpu: fix memory leak 

cleanup error handling code and make sure temporary info array
with the handles are freed by amdgpu_bo_list_put() on
idr_replace()'s failure.

Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nirmoy Das 2019-10-04 11:53:37 +02:00 committed by Alex Deucher
parent da0c9ea146
commit 083164dbdb
1 changed files with 7 additions and 7 deletions
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14
drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
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@ -270,7 +270,7 @@ int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
r = amdgpu_bo_create_list_entry_array(&args->in, &info);
if (r)
goto error_free;
return r;
switch (args->in.operation) {
case AMDGPU_BO_LIST_OP_CREATE:
@ -283,8 +283,7 @@ int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
r = idr_alloc(&fpriv->bo_list_handles, list, 1, 0, GFP_KERNEL);
mutex_unlock(&fpriv->bo_list_lock);
if (r < 0) {
amdgpu_bo_list_put(list);
return r;
goto error_put_list;
}
handle = r;
@ -306,9 +305,8 @@ int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
mutex_unlock(&fpriv->bo_list_lock);
if (IS_ERR(old)) {
amdgpu_bo_list_put(list);
r = PTR_ERR(old);
goto error_free;
goto error_put_list;
}
amdgpu_bo_list_put(old);
@ -325,8 +323,10 @@ int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
return 0;
error_put_list:
amdgpu_bo_list_put(list);
error_free:
if (info)
kvfree(info);
kvfree(info);
return r;
}