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>

1 files changed, 4 insertions, 1 deletions

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);