From: Souptick Joarder <jrdr.linux@gmail.com>
Date: Mon, 4 Feb 2019 15:01:43 +0000 (-0500)
Subject: media: videobuf2: Return error after allocation failure
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=f14f6aa0b4423632ab76f3eed3a28159049451ef;p=openwrt%2Fstaging%2Fblogic.git

media: videobuf2: Return error after allocation failure

There is no point to continuing assignment after memory allocation
failed, rather throw error immediately.

Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
[hverkuil-cisco@xs4all.nl: rebase and remove empty line before the if]
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
---

diff --git a/drivers/media/common/videobuf2/videobuf2-vmalloc.c b/drivers/media/common/videobuf2/videobuf2-vmalloc.c
index 6dfbd5b05907..1c6659f7c394 100644
--- a/drivers/media/common/videobuf2/videobuf2-vmalloc.c
+++ b/drivers/media/common/videobuf2/videobuf2-vmalloc.c
@@ -46,17 +46,17 @@ static void *vb2_vmalloc_alloc(struct device *dev, unsigned long attrs,
 
 	buf->size = size;
 	buf->vaddr = vmalloc_user(buf->size);
-	buf->dma_dir = dma_dir;
-	buf->handler.refcount = &buf->refcount;
-	buf->handler.put = vb2_vmalloc_put;
-	buf->handler.arg = buf;
-
 	if (!buf->vaddr) {
 		pr_debug("vmalloc of size %ld failed\n", buf->size);
 		kfree(buf);
 		return ERR_PTR(-ENOMEM);
 	}
 
+	buf->dma_dir = dma_dir;
+	buf->handler.refcount = &buf->refcount;
+	buf->handler.put = vb2_vmalloc_put;
+	buf->handler.arg = buf;
+
 	refcount_set(&buf->refcount, 1);
 	return buf;
 }