dbri: check dma_alloc_coherent errors
Needs to check for dma_alloc_coherent() allocation failure.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/sound/sparc/dbri.c b/sound/sparc/dbri.c
index c257ad8..23ed6f0 100644
--- a/sound/sparc/dbri.c
+++ b/sound/sparc/dbri.c
@@ -2534,6 +2534,8 @@
dbri->dma = dma_alloc_coherent(&op->dev,
sizeof(struct dbri_dma),
&dbri->dma_dvma, GFP_ATOMIC);
+ if (!dbri->dma)
+ return -ENOMEM;
memset((void *)dbri->dma, 0, sizeof(struct dbri_dma));
dprintk(D_GEN, "DMA Cmd Block 0x%p (0x%08x)\n",
