[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>
This commit is contained in:
Christoph Hellwig 2005-11-25 16:41:47 +11:00 committed by Nathan Scott
parent 55b02d74e1
commit f33c6797bc

View File

@ -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);
}