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authorJames Morris <jmorris@namei.org>2010-03-31 08:39:27 +1100
committerJames Morris <jmorris@namei.org>2010-03-31 08:39:27 +1100
commitd25d6fa1a95f465ff1ec4458ca15e30b2c8dffec (patch)
tree7362b182dedd825fc762ef7706830837e42943af /security/tomoyo
parent225a9be24d799aa16d543c31fb09f0c9ed1d9caa (diff)
parent2eaa9cfdf33b8d7fb7aff27792192e0019ae8fc6 (diff)
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mrst-s0i3-test-d25d6fa1a95f465ff1ec4458ca15e30b2c8dffec.tar.xz
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Merge branch 'master' into next
Diffstat (limited to 'security/tomoyo')
-rw-r--r--security/tomoyo/common.c1
-rw-r--r--security/tomoyo/realpath.c23
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(&current->fs->lock);
- root = current->fs->root;
- path_get(&root);
- read_unlock(&current->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)