[MIPS] Use find_task_by_vpid in system calls

There are some places left in mips, that lookup task in initial namespace,
while the code doing so gets the pid from the user space and thus must
treat it as virtual.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/mips/kernel/sysirix.c b/arch/mips/kernel/sysirix.c
index 672fba84b2cc..c357762b8012 100644
--- a/arch/mips/kernel/sysirix.c
+++ b/arch/mips/kernel/sysirix.c
@@ -111,7 +111,7 @@ asmlinkage int irix_prctl(unsigned option, ...)
                 printk("irix_prctl[%s:%d]: Wants PR_ISBLOCKED\n",
                        current->comm, current->pid);
                 read_lock(&tasklist_lock);
-                task = find_task_by_pid(va_arg(args, pid_t));
+                task = find_task_by_vpid(va_arg(args, pid_t));
                 error = -ESRCH;
                 if (error)
                         error = (task->run_list.next != NULL);