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| author | xinhui pan <xinhui.pan@amd.com> | 2021-02-19 12:25:47 +0800 |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2021-02-25 10:18:45 +0100 |
| commit | 7a8a4b0729a8807e37196e44629b31ee03f88872 (patch) | |
| tree | ebaac8e4d6eb7715aa93a2a93851edb066184b46 | |
| parent | 583065c7aa23d4bb0c298222c1128353a2007c9c (diff) | |
| download | linux-7a8a4b0729a8807e37196e44629b31ee03f88872.tar.bz2 | |
drm/ttm: Fix a memory leak
Free the memory on failure.
Also no need to re-alloc memory on retry.
Signed-off-by: xinhui pan <xinhui.pan@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210219042547.44855-1-xinhui.pan@amd.com
Reviewed-by: Christian König <christian.koenig@amd.com>
CC: stable@vger.kernel.org # 5.11
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index b65f4b12f986..20a25660b35b 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -959,8 +959,10 @@ static int ttm_bo_bounce_temp_buffer(struct ttm_buffer_object *bo, return ret; /* move to the bounce domain */ ret = ttm_bo_handle_move_mem(bo, &hop_mem, false, ctx, NULL); - if (ret) + if (ret) { + ttm_resource_free(bo, &hop_mem); return ret; + } return 0; } @@ -991,18 +993,19 @@ static int ttm_bo_move_buffer(struct ttm_buffer_object *bo, * stop and the driver will be called to make * the second hop. */ -bounce: ret = ttm_bo_mem_space(bo, placement, &mem, ctx); if (ret) return ret; +bounce: ret = ttm_bo_handle_move_mem(bo, &mem, false, ctx, &hop); if (ret == -EMULTIHOP) { ret = ttm_bo_bounce_temp_buffer(bo, &mem, ctx, &hop); if (ret) - return ret; + goto out; /* try and move to final place now. */ goto bounce; } +out: if (ret) ttm_resource_free(bo, &mem); return ret; |