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path: root/security/apparmor/apparmorfs.c
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Diffstat (limited to 'security/apparmor/apparmorfs.c')
-rw-r--r--security/apparmor/apparmorfs.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c
index caaf51dda648..8542e9a55e1b 100644
--- a/security/apparmor/apparmorfs.c
+++ b/security/apparmor/apparmorfs.c
@@ -533,7 +533,7 @@ static ssize_t ns_revision_read(struct file *file, char __user *buf,
long last_read;
int avail;
- mutex_lock(&rev->ns->lock);
+ mutex_lock_nested(&rev->ns->lock, rev->ns->level);
last_read = rev->last_read;
if (last_read == rev->ns->revision) {
mutex_unlock(&rev->ns->lock);
@@ -543,7 +543,7 @@ static ssize_t ns_revision_read(struct file *file, char __user *buf,
last_read !=
READ_ONCE(rev->ns->revision)))
return -ERESTARTSYS;
- mutex_lock(&rev->ns->lock);
+ mutex_lock_nested(&rev->ns->lock, rev->ns->level);
}
avail = sprintf(buffer, "%ld\n", rev->ns->revision);
@@ -577,7 +577,7 @@ static unsigned int ns_revision_poll(struct file *file, poll_table *pt)
unsigned int mask = 0;
if (rev) {
- mutex_lock(&rev->ns->lock);
+ mutex_lock_nested(&rev->ns->lock, rev->ns->level);
poll_wait(file, &rev->ns->wait, pt);
if (rev->last_read < rev->ns->revision)
mask |= POLLIN | POLLRDNORM;
@@ -1643,7 +1643,7 @@ static int ns_mkdir_op(struct inode *dir, struct dentry *dentry, umode_t mode)
*/
inode_unlock(dir);
error = simple_pin_fs(&aafs_ops, &aafs_mnt, &aafs_count);
- mutex_lock(&parent->lock);
+ mutex_lock_nested(&parent->lock, parent->level);
inode_lock_nested(dir, I_MUTEX_PARENT);
if (error)
goto out;
@@ -1692,7 +1692,7 @@ static int ns_rmdir_op(struct inode *dir, struct dentry *dentry)
inode_unlock(dir);
inode_unlock(dentry->d_inode);
- mutex_lock(&parent->lock);
+ mutex_lock_nested(&parent->lock, parent->level);
ns = aa_get_ns(__aa_findn_ns(&parent->sub_ns, dentry->d_name.name,
dentry->d_name.len));
if (!ns) {
@@ -1747,7 +1747,7 @@ void __aafs_ns_rmdir(struct aa_ns *ns)
__aafs_profile_rmdir(child);
list_for_each_entry(sub, &ns->sub_ns, base.list) {
- mutex_lock(&sub->lock);
+ mutex_lock_nested(&sub->lock, sub->level);
__aafs_ns_rmdir(sub);
mutex_unlock(&sub->lock);
}
@@ -1877,7 +1877,7 @@ int __aafs_ns_mkdir(struct aa_ns *ns, struct dentry *parent, const char *name,
/* subnamespaces */
list_for_each_entry(sub, &ns->sub_ns, base.list) {
- mutex_lock(&sub->lock);
+ mutex_lock_nested(&sub->lock, sub->level);
error = __aafs_ns_mkdir(sub, ns_subns_dir(ns), NULL, NULL);
mutex_unlock(&sub->lock);
if (error)
@@ -1921,7 +1921,7 @@ static struct aa_ns *__next_ns(struct aa_ns *root, struct aa_ns *ns)
/* is next namespace a child */
if (!list_empty(&ns->sub_ns)) {
next = list_first_entry(&ns->sub_ns, typeof(*ns), base.list);
- mutex_lock(&next->lock);
+ mutex_lock_nested(&next->lock, next->level);
return next;
}
@@ -1931,7 +1931,7 @@ static struct aa_ns *__next_ns(struct aa_ns *root, struct aa_ns *ns)
mutex_unlock(&ns->lock);
next = list_next_entry(ns, base.list);
if (!list_entry_is_head(next, &parent->sub_ns, base.list)) {
- mutex_lock(&next->lock);
+ mutex_lock_nested(&next->lock, next->level);
return next;
}
ns = parent;
@@ -2039,7 +2039,7 @@ static void *p_start(struct seq_file *f, loff_t *pos)
f->private = root;
/* find the first profile */
- mutex_lock(&root->lock);
+ mutex_lock_nested(&root->lock, root->level);
profile = __first_profile(root, root);
/* skip to position */
@@ -2491,7 +2491,7 @@ static int __init aa_create_aafs(void)
ns_subrevision(root_ns) = dent;
/* policy tree referenced by magic policy symlink */
- mutex_lock(&root_ns->lock);
+ mutex_lock_nested(&root_ns->lock, root_ns->level);
error = __aafs_ns_mkdir(root_ns, aafs_mnt->mnt_root, ".policy",
aafs_mnt->mnt_root);
mutex_unlock(&root_ns->lock);