Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile

[pandora-kernel.git] / kernel / compat.c

diff --git a/kernel/compat.c b/kernel/compat.c
index 80c2856..fc9eb09 100644 (file)
--- a/kernel/compat.c
+++ b/kernel/compat.c
@@ -898,10 +898,9 @@ compat_sys_rt_sigtimedwait (compat_sigset_t __user *uthese,
 {
        compat_sigset_t s32;
        sigset_t s;
-       int sig;
        struct timespec t;
        siginfo_t info;
-       long ret, timeout = 0;
+       long ret;
 
        if (sigsetsize != sizeof(sigset_t))
                return -EINVAL;
@@ -909,51 +908,19 @@ compat_sys_rt_sigtimedwait (compat_sigset_t __user *uthese,
        if (copy_from_user(&s32, uthese, sizeof(compat_sigset_t)))
                return -EFAULT;
        sigset_from_compat(&s, &s32);
-       sigdelsetmask(&s,sigmask(SIGKILL)|sigmask(SIGSTOP));
-       signotset(&s);
 
        if (uts) {
-               if (get_compat_timespec (&t, uts))
+               if (get_compat_timespec(&t, uts))
                        return -EFAULT;
-               if (t.tv_nsec >= 1000000000L || t.tv_nsec < 0
-                               || t.tv_sec < 0)
-                       return -EINVAL;
        }
 
-       spin_lock_irq(&current->sighand->siglock);
-       sig = dequeue_signal(current, &s, &info);
-       if (!sig) {
-               timeout = MAX_SCHEDULE_TIMEOUT;
-               if (uts)
-                       timeout = timespec_to_jiffies(&t)
-                               +(t.tv_sec || t.tv_nsec);
-               if (timeout) {
-                       current->real_blocked = current->blocked;
-                       sigandsets(&current->blocked, &current->blocked, &s);
-
-                       recalc_sigpending();
-                       spin_unlock_irq(&current->sighand->siglock);
-
-                       timeout = schedule_timeout_interruptible(timeout);
-
-                       spin_lock_irq(&current->sighand->siglock);
-                       sig = dequeue_signal(current, &s, &info);
-                       current->blocked = current->real_blocked;
-                       siginitset(&current->real_blocked, 0);
-                       recalc_sigpending();
-               }
-       }
-       spin_unlock_irq(&current->sighand->siglock);
+       ret = do_sigtimedwait(&s, &info, uts ? &t : NULL);
 
-       if (sig) {
-               ret = sig;
-               if (uinfo) {
-                       if (copy_siginfo_to_user32(uinfo, &info))
-                               ret = -EFAULT;
-               }
-       }else {
-               ret = timeout?-EINTR:-EAGAIN;
+       if (ret > 0 && uinfo) {
+               if (copy_siginfo_to_user32(uinfo, &info))
+                       ret = -EFAULT;
        }
+
        return ret;
 
 }