From: Tuomas Tynkkynen <ttynkkynen@nvidia.com>
Date: Tue, 27 Aug 2013 13:30:38 +0000 (+0300)
Subject: dma-buf: Check return value of anon_inode_getfile
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=9022e24e8946400d53719a761815069c3183e2bd;p=linux-beck.git

dma-buf: Check return value of anon_inode_getfile

anon_inode_getfile might fail, so check its return value.

Signed-off-by: Tuomas Tynkkynen <ttynkkynen@nvidia.com>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
---

diff --git a/drivers/base/dma-buf.c b/drivers/base/dma-buf.c
index 1219ab7c3107..2d5ac1a1842e 100644
--- a/drivers/base/dma-buf.c
+++ b/drivers/base/dma-buf.c
@@ -133,7 +133,10 @@ struct dma_buf *dma_buf_export_named(void *priv, const struct dma_buf_ops *ops,
 	dmabuf->exp_name = exp_name;
 
 	file = anon_inode_getfile("dmabuf", &dma_buf_fops, dmabuf, flags);
-
+	if (IS_ERR(file)) {
+		kfree(dmabuf);
+		return ERR_CAST(file);
+	}
 	dmabuf->file = file;
 
 	mutex_init(&dmabuf->lock);