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authorDaniel Vetter <daniel.vetter@ffwll.ch>2021-07-13 15:15:16 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2021-07-13 15:15:17 +0200
commit1e7b5812f4890ad84058bbb6c4a5deddfb2c5b25 (patch)
treeb4b5ce5c6fa2badc064537ad3830082028a43bd5 /drivers/dma-buf
parente73f0f0ee7541171d89f2e2491130c7771ba58d3 (diff)
parentffe000217c5068c5da07ccb1c0f8cce7ad767435 (diff)
Merge tag 'drm-misc-fixes-2021-07-13' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
Short summary of fixes pull: * dma-buf: Fix fence leak in sync_file_merge() error code * drm/panel: nt35510: Don't fail on DSI reads Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/YO07pEfweKVO+7y0@linux-uq9g
Diffstat (limited to 'drivers/dma-buf')
-rw-r--r--drivers/dma-buf/sync_file.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/dma-buf/sync_file.c b/drivers/dma-buf/sync_file.c
index 20d9bddbb985..394e6e1e9686 100644
--- a/drivers/dma-buf/sync_file.c
+++ b/drivers/dma-buf/sync_file.c
@@ -211,8 +211,8 @@ static struct sync_file *sync_file_merge(const char *name, struct sync_file *a,
struct sync_file *b)
{
struct sync_file *sync_file;
- struct dma_fence **fences, **nfences, **a_fences, **b_fences;
- int i, i_a, i_b, num_fences, a_num_fences, b_num_fences;
+ struct dma_fence **fences = NULL, **nfences, **a_fences, **b_fences;
+ int i = 0, i_a, i_b, num_fences, a_num_fences, b_num_fences;
sync_file = sync_file_alloc();
if (!sync_file)
@@ -236,7 +236,7 @@ static struct sync_file *sync_file_merge(const char *name, struct sync_file *a,
* If a sync_file can only be created with sync_file_merge
* and sync_file_create, this is a reasonable assumption.
*/
- for (i = i_a = i_b = 0; i_a < a_num_fences && i_b < b_num_fences; ) {
+ for (i_a = i_b = 0; i_a < a_num_fences && i_b < b_num_fences; ) {
struct dma_fence *pt_a = a_fences[i_a];
struct dma_fence *pt_b = b_fences[i_b];
@@ -277,15 +277,16 @@ static struct sync_file *sync_file_merge(const char *name, struct sync_file *a,
fences = nfences;
}
- if (sync_file_set_fence(sync_file, fences, i) < 0) {
- kfree(fences);
+ if (sync_file_set_fence(sync_file, fences, i) < 0)
goto err;
- }
strlcpy(sync_file->user_name, name, sizeof(sync_file->user_name));
return sync_file;
err:
+ while (i)
+ dma_fence_put(fences[--i]);
+ kfree(fences);
fput(sync_file->file);
return NULL;