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authorJ. R. Okajima <hooanon05@yahoo.co.jp>2011-02-23 08:59:49 +0100
committerAl Viro <viro@zeniv.linux.org.uk>2011-02-24 08:10:57 +0100
commitbf9faa2aa30e2ebf30287536712ed2717bb47002 (patch)
tree06db8ec432cb57dc507e42cdeda878c2b3038d5c /fs
parentmm: prevent concurrent unmap_mapping_range() on the same inode (diff)
downloadlinux-bf9faa2aa30e2ebf30287536712ed2717bb47002.tar.xz
linux-bf9faa2aa30e2ebf30287536712ed2717bb47002.zip
Unlock vfsmount_lock in do_umount
By the commit b3e19d9 2011-01-07 fs: scale mntget/mntput vfsmount_lock was introduced around testing mnt_count. Fix the mis-typed 'unlock' Signed-off-by: J. R. Okajima <hooanon05@yahoo.co.jp> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs')
-rw-r--r--fs/namespace.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/namespace.c b/fs/namespace.c
index 7b0b95371696..d1edf26025dc 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1244,7 +1244,7 @@ static int do_umount(struct vfsmount *mnt, int flags)
*/
br_write_lock(vfsmount_lock);
if (mnt_get_count(mnt) != 2) {
- br_write_lock(vfsmount_lock);
+ br_write_unlock(vfsmount_lock);
return -EBUSY;
}
br_write_unlock(vfsmount_lock);