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* [Intel-gfx] [topic/core-for-CI] dma-buf: Check for empty dma_fence_array
@ 2022-03-28 10:21 Tejas Upadhyay
  2022-03-28 16:39 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for " Patchwork
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Tejas Upadhyay @ 2022-03-28 10:21 UTC (permalink / raw)
  To: intel-gfx; +Cc: Tejas Upadhyay, Christian König

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Tejas Upadhyay <tejaskumarx.surendrakumar.upadhyay@intel.com>
---
 drivers/dma-buf/dma-fence-array.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/dma-buf/dma-fence-array.c b/drivers/dma-buf/dma-fence-array.c
index 52b85d292383..5c8a7084577b 100644
--- a/drivers/dma-buf/dma-fence-array.c
+++ b/drivers/dma-buf/dma-fence-array.c
@@ -159,6 +159,8 @@ struct dma_fence_array *dma_fence_array_create(int num_fences,
 	struct dma_fence_array *array;
 	size_t size = sizeof(*array);
 
+	WARN_ON(!num_fences || !fences);
+
 	/* Allocate the callback structures behind the array. */
 	size += num_fences * sizeof(struct dma_fence_array_cb);
 	array = kzalloc(size, GFP_KERNEL);
@@ -231,6 +233,9 @@ struct dma_fence *dma_fence_array_first(struct dma_fence *head)
 	if (!array)
 		return head;
 
+	if (!array->num_fences)
+		return NULL;
+
 	return array->fences[0];
 }
 EXPORT_SYMBOL(dma_fence_array_first);
-- 
2.34.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2022-03-28 17:15 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-03-28 10:21 [Intel-gfx] [topic/core-for-CI] dma-buf: Check for empty dma_fence_array Tejas Upadhyay
2022-03-28 16:39 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for " Patchwork
2022-03-28 16:44 ` [Intel-gfx] ✗ Fi.CI.DOCS: " Patchwork
2022-03-28 17:15 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork

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