sunrpc: handle allocation errors from __rpc_lookup_create()
__rpc_lookup_create() can return ERR_PTR(-ENOMEM).
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@kernel.org
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 8d63f8f..20e30c6 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -587,6 +587,8 @@
struct dentry *dentry;
dentry = __rpc_lookup_create(parent, name);
+ if (IS_ERR(dentry))
+ return dentry;
if (dentry->d_inode == NULL)
return dentry;
dput(dentry);