diff options
| author | James Morris <jmorris@namei.org> | 2010-03-31 08:39:27 +1100 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2010-03-31 08:39:27 +1100 |
| commit | d25d6fa1a95f465ff1ec4458ca15e30b2c8dffec (patch) | |
| tree | 7362b182dedd825fc762ef7706830837e42943af /security/tomoyo | |
| parent | 225a9be24d799aa16d543c31fb09f0c9ed1d9caa (diff) | |
| parent | 2eaa9cfdf33b8d7fb7aff27792192e0019ae8fc6 (diff) | |
Merge branch 'master' into next
Diffstat (limited to 'security/tomoyo')
| -rw-r--r-- | security/tomoyo/common.c | 1 | ||||
| -rw-r--r-- | security/tomoyo/realpath.c | 23 |
2 files changed, 5 insertions, 19 deletions
diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c index 8ccf1299737..588f36a9337 100644 --- a/security/tomoyo/common.c +++ b/security/tomoyo/common.c @@ -886,6 +886,7 @@ static struct tomoyo_profile *tomoyo_find_or_assign_new_profile(const unsigned ptr = kmalloc(sizeof(*ptr), GFP_KERNEL); if (!tomoyo_memory_ok(ptr)) { kfree(ptr); + ptr = NULL; goto ok; } for (i = 0; i < TOMOYO_MAX_CONTROL_INDEX; i++) diff --git a/security/tomoyo/realpath.c b/security/tomoyo/realpath.c index c00df45c7ed..cf7d61f781b 100644 --- a/security/tomoyo/realpath.c +++ b/security/tomoyo/realpath.c @@ -88,29 +88,14 @@ int tomoyo_realpath_from_path2(struct path *path, char *newname, sp = dentry->d_op->d_dname(dentry, newname + offset, newname_len - offset); } else { - /* Taken from d_namespace_path(). */ - struct path root; - struct path ns_root = { }; - struct path tmp; + struct path ns_root = {.mnt = NULL, .dentry = NULL}; - read_lock(¤t->fs->lock); - root = current->fs->root; - path_get(&root); - read_unlock(¤t->fs->lock); - spin_lock(&vfsmount_lock); - if (root.mnt && root.mnt->mnt_ns) - ns_root.mnt = mntget(root.mnt->mnt_ns->root); - if (ns_root.mnt) - ns_root.dentry = dget(ns_root.mnt->mnt_root); - spin_unlock(&vfsmount_lock); spin_lock(&dcache_lock); - tmp = ns_root; - sp = __d_path(path, &tmp, newname, newname_len); + /* go to whatever namespace root we are under */ + sp = __d_path(path, &ns_root, newname, newname_len); spin_unlock(&dcache_lock); - path_put(&root); - path_put(&ns_root); /* Prepend "/proc" prefix if using internal proc vfs mount. */ - if (!IS_ERR(sp) && (path->mnt->mnt_parent == path->mnt) && + if (!IS_ERR(sp) && (path->mnt->mnt_flags & MNT_INTERNAL) && (path->mnt->mnt_sb->s_magic == PROC_SUPER_MAGIC)) { sp -= 5; if (sp >= newname) |