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-rw-r--r--drivers/dma/ste_dma40.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index df0a60656a8b..82d2b97ad942 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -2591,6 +2591,9 @@ dma40_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t dma_addr,
int i;
sg = kcalloc(periods + 1, sizeof(struct scatterlist), GFP_NOWAIT);
+ if (!sg)
+ return NULL;
+
for (i = 0; i < periods; i++) {
sg_dma_address(&sg[i]) = dma_addr;
sg_dma_len(&sg[i]) = period_len;