From: Arvind Yadav <arvind.yadav.cs@gmail.com>
Date: Wed, 20 Sep 2017 09:40:58 +0000 (+0200)
Subject: media: coda: Handle return value of kasprintf
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=e641e02d78682f7749053d84d1729c5e37655ff9;p=openwrt%2Fstaging%2Fblogic.git

media: coda: Handle return value of kasprintf

kasprintf() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
---

diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c
index 291c40933935..bfc4ecf6f068 100644
--- a/drivers/media/platform/coda/coda-bit.c
+++ b/drivers/media/platform/coda/coda-bit.c
@@ -417,6 +417,10 @@ static int coda_alloc_framebuffers(struct coda_ctx *ctx,
 		    dev->devtype->product != CODA_DX6)
 			size += ysize / 4;
 		name = kasprintf(GFP_KERNEL, "fb%d", i);
+		if (!name) {
+			coda_free_framebuffers(ctx);
+			return -ENOMEM;
+		}
 		ret = coda_alloc_context_buf(ctx, &ctx->internal_frames[i],
 					     size, name);
 		kfree(name);