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-rw-r--r--kernel/futex.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/kernel/futex.c b/kernel/futex.c
index df248f5e0836..45490bec5831 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -409,14 +409,12 @@ static struct task_struct * futex_find_get_task(pid_t pid)
409 409
410 rcu_read_lock(); 410 rcu_read_lock();
411 p = find_task_by_pid(pid); 411 p = find_task_by_pid(pid);
412 if (!p) 412
413 goto out_unlock; 413 if (!p || ((current->euid != p->euid) && (current->euid != p->uid)))
414 if ((current->euid != p->euid) && (current->euid != p->uid)) { 414 p = ERR_PTR(-ESRCH);
415 p = NULL; 415 else
416 goto out_unlock; 416 get_task_struct(p);
417 } 417
418 get_task_struct(p);
419out_unlock:
420 rcu_read_unlock(); 418 rcu_read_unlock();
421 419
422 return p; 420 return p;