Btrfs: fix error handling in btrfs_ioctl_send()

fget() returns NULL if error. So, we should check NULL or not.

Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>

diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 158b91984b600099cd1938649393ef0a969c2db2..2037fc0efab168235c3a4b596d1e6ec1e8eacb59 100644 (file)
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -4612,8 +4612,8 @@ long btrfs_ioctl_send(struct file *mnt_file, void __user *arg_)
        sctx->flags = arg->flags;
 
        sctx->send_filp = fget(arg->send_fd);
-       if (IS_ERR(sctx->send_filp)) {
-               ret = PTR_ERR(sctx->send_filp);
+       if (!sctx->send_filp) {
+               ret = -EBADF;
                goto out;
        }