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| author | Nick Piggin <npiggin@suse.de> | 2010-01-29 15:38:21 -0800 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2010-04-27 17:32:32 +0200 |
| commit | d4fe09131b66c5a7176a5dbfc9bd1ef6939643e8 (patch) | |
| tree | 1b2293bcc65f2c97c7a2b5a27d5d55eb7a195bd6 /security | |
| parent | 5c0eb5cec064ce26ffcd0cdd684c9b6dd7c9074e (diff) | |
| download | lwn-d4fe09131b66c5a7176a5dbfc9bd1ef6939643e8.tar.gz lwn-d4fe09131b66c5a7176a5dbfc9bd1ef6939643e8.zip | |
fs-dcache-scale-d_unhashed
Protect d_unhashed(dentry) condition with d_lock.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: John Stultz <johnstul@us.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'security')
| -rw-r--r-- | security/tomoyo/realpath.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/security/tomoyo/realpath.c b/security/tomoyo/realpath.c index c5c3c1669cab..776146b68e57 100644 --- a/security/tomoyo/realpath.c +++ b/security/tomoyo/realpath.c @@ -105,8 +105,10 @@ int tomoyo_realpath_from_path2(struct path *path, char *newname, ns_root.dentry = dget(ns_root.mnt->mnt_root); vfsmount_read_unlock(); spin_lock(&dcache_lock); + vfsmount_read_lock(); tmp = ns_root; sp = __d_path(path, &tmp, newname, newname_len); + vfsmount_read_unlock(); spin_unlock(&dcache_lock); path_put(&root); path_put(&ns_root); |