CRED: Wrap task credential accesses in the core kernel

[linux-2.6-omap-h63xx.git] / mm / mempolicy.c

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 36f42573a3352fa6ba452eea2d76ed2021c8605c..07a96474077d23c7ba9fff672e6120a447973dce 100644 (file)
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -1115,6 +1115,7 @@ asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode,
        nodemask_t old;
        nodemask_t new;
        nodemask_t task_nodes;
+       uid_t uid, euid;
        int err;
 
        err = get_nodes(&old, old_nodes, maxnode);
@@ -1144,8 +1145,10 @@ asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode,
         * capabilities, superuser privileges or the same
         * userid as the target process.
         */
-       if ((current->euid != task->suid) && (current->euid != task->uid) &&
-           (current->uid != task->suid) && (current->uid != task->uid) &&
+       uid = current_uid();
+       euid = current_euid();
+       if (euid != task->suid && euid != task->uid &&
+           uid  != task->suid && uid  != task->uid &&
            !capable(CAP_SYS_NICE)) {
                err = -EPERM;
                goto out;