media: coda: Handle return value of kasprintf

kasprintf() can fail here and we must check its return value.
Signed-off-by: NArvind Yadav <arvind.yadav.cs@gmail.com>
Reviewed-by: NPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>

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);