From: Christoph Hellwig <hch@sgi.com>
Date: Fri, 25 Nov 2005 05:41:47 +0000 (+1100)
Subject: [XFS] handle error returns from freeze_bdev
X-Git-Tag: v2.6.15-rc4~17^2~4
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=f33c6797bccc695c4c85885f2c676ad4c8fed98d;p=linux-2.6-omap-h63xx.git

[XFS] handle error returns from freeze_bdev

SGI-PV: 945483
SGI-Modid: xfs-linux-melb:xfs-kern:201884a

Signed-off-by: Christoph Hellwig <hch@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
---

diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index 7ceabd0e2d9..d1236d6f404 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -550,7 +550,7 @@ xfs_fs_goingdown(
 		struct vfs *vfsp = XFS_MTOVFS(mp);
 		struct super_block *sb = freeze_bdev(vfsp->vfs_super->s_bdev);
 
-		if (sb) {
+		if (sb && !IS_ERR(sb)) {
 			xfs_force_shutdown(mp, XFS_FORCE_UMOUNT);
 			thaw_bdev(sb->s_bdev, sb);
 		}