From: liubo <liubo2009@cn.fujitsu.com>
Date: Thu, 24 Feb 2011 09:38:16 +0000 (+0000)
Subject: Btrfs: fix return value of setflags ioctl
X-Git-Tag: upstream/snapshot3+hdmi~10453^2~46
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2d4e6f6ad2b9f84f568d07dae4bdbc7f48a70ad1;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

Btrfs: fix return value of setflags ioctl

setflags ioctl should return error when any checks fail.

Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 649f47d..6b70e0e 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -247,9 +247,11 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg)
 	btrfs_end_transaction(trans, root);
 
 	mnt_drop_write(file->f_path.mnt);
+
+	ret = 0;
  out_unlock:
 	mutex_unlock(&inode->i_mutex);
-	return 0;
+	return ret;
 }
 
 static int btrfs_ioctl_getversion(struct file *file, int __user *arg)