frv: use find_task_by_vpid in cxn_pin_by_pid

The function is question gets the pid from sysctl table, so this one is a
virtual pid, i.e.  the pid of a task as it is seen from inside a namespace.

So the find_task_by_vpid() must be used here.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/frv/mm/mmu-context.c b/arch/frv/mm/mmu-context.c
index 1530a4111e6d743345ff379d191ba7d6df06e9a3..81757d55a5b592fed1e38281edc0cbb6a256dff7 100644 (file)
--- a/arch/frv/mm/mmu-context.c
+++ b/arch/frv/mm/mmu-context.c
@@ -181,7 +181,7 @@ int cxn_pin_by_pid(pid_t pid)
 
        /* get a handle on the mm_struct */
        read_lock(&tasklist_lock);
-       tsk = find_task_by_pid(pid);
+       tsk = find_task_by_vpid(pid);
        if (tsk) {
                ret = -EINVAL;