From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 29 Oct 2008 22:34:39 +0000 (-0700)
Subject: dbri: check dma_alloc_coherent errors
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=be376649344ba2c3d00021f8bbf64392aa01ad55;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

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 c257ad8bdfbc..23ed6f04a718 100644
--- a/sound/sparc/dbri.c
+++ b/sound/sparc/dbri.c
@@ -2534,6 +2534,8 @@ static int __devinit snd_dbri_create(struct snd_card *card,
 	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",