diff options
| -rw-r--r-- | sound/core/memalloc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/core/memalloc.c b/sound/core/memalloc.c index ea778f868cf3..ea9698cea2e3 100644 --- a/sound/core/memalloc.c +++ b/sound/core/memalloc.c @@ -631,6 +631,8 @@ static const struct snd_malloc_ops *dma_ops[] = { static const struct snd_malloc_ops *snd_dma_get_ops(struct snd_dma_buffer *dmab) { + if (WARN_ON_ONCE(!dmab)) + return NULL; if (WARN_ON_ONCE(dmab->dev.type <= SNDRV_DMA_TYPE_UNKNOWN || dmab->dev.type >= ARRAY_SIZE(dma_ops))) return NULL; |