diff options
Diffstat (limited to 'security/smack/smackfs.c')
| -rw-r--r-- | security/smack/smackfs.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c index 371ae368da35..10ee51d04492 100644 --- a/security/smack/smackfs.c +++ b/security/smack/smackfs.c @@ -2746,7 +2746,6 @@ static int smk_open_relabel_self(struct inode *inode, struct file *file) static ssize_t smk_write_relabel_self(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { - struct task_smack *tsp = current_security(); char *data; int rc; LIST_HEAD(list_tmp); @@ -2771,11 +2770,21 @@ static ssize_t smk_write_relabel_self(struct file *file, const char __user *buf, kfree(data); if (!rc || (rc == -EINVAL && list_empty(&list_tmp))) { + struct cred *new; + struct task_smack *tsp; + + new = prepare_creds(); + if (!new) { + rc = -ENOMEM; + goto out; + } + tsp = new->security; smk_destroy_label_list(&tsp->smk_relabel); list_splice(&list_tmp, &tsp->smk_relabel); + commit_creds(new); return count; } - +out: smk_destroy_label_list(&list_tmp); return rc; } |