BCM270X_DT: Invert Pi3 power LED to match fw change

[mirror_ubuntu-zesty-kernel.git] / kernel / futex.c

diff --git a/kernel/futex.c b/kernel/futex.c
index 9246d9f593d16c11cdfbb8630286b5f6d5f9e1fa..dda00f03337d683d7dfd883f9c19f94f8bc1dc97 100644 (file)
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -2459,7 +2459,7 @@ retry:
        restart->fn = futex_wait_restart;
        restart->futex.uaddr = uaddr;
        restart->futex.val = val;
-       restart->futex.time = abs_time->tv64;
+       restart->futex.time = *abs_time;
        restart->futex.bitset = bitset;
        restart->futex.flags = flags | FLAGS_HAS_TIMEOUT;
 
@@ -2480,7 +2480,7 @@ static long futex_wait_restart(struct restart_block *restart)
        ktime_t t, *tp = NULL;
 
        if (restart->futex.flags & FLAGS_HAS_TIMEOUT) {
-               t.tv64 = restart->futex.time;
+               t = restart->futex.time;
                tp = &t;
        }
        restart->fn = do_no_restart_syscall;
@@ -2813,7 +2813,6 @@ static int futex_wait_requeue_pi(u32 __user *uaddr, unsigned int flags,
 {
        struct hrtimer_sleeper timeout, *to = NULL;
        struct rt_mutex_waiter rt_waiter;
-       struct rt_mutex *pi_mutex = NULL;
        struct futex_hash_bucket *hb;
        union futex_key key2 = FUTEX_KEY_INIT;
        struct futex_q q = futex_q_init;
@@ -2897,6 +2896,8 @@ static int futex_wait_requeue_pi(u32 __user *uaddr, unsigned int flags,
                if (q.pi_state && (q.pi_state->owner != current)) {
                        spin_lock(q.lock_ptr);
                        ret = fixup_pi_state_owner(uaddr2, &q, current);
+                       if (ret && rt_mutex_owner(&q.pi_state->pi_mutex) == current)
+                               rt_mutex_unlock(&q.pi_state->pi_mutex);
                        /*
                         * Drop the reference to the pi state which
                         * the requeue_pi() code acquired for us.
@@ -2905,6 +2906,8 @@ static int futex_wait_requeue_pi(u32 __user *uaddr, unsigned int flags,
                        spin_unlock(q.lock_ptr);
                }
        } else {
+               struct rt_mutex *pi_mutex;
+
                /*
                 * We have been woken up by futex_unlock_pi(), a timeout, or a
                 * signal.  futex_unlock_pi() will not destroy the lock_ptr nor
@@ -2928,18 +2931,19 @@ static int futex_wait_requeue_pi(u32 __user *uaddr, unsigned int flags,
                if (res)
                        ret = (res < 0) ? res : 0;
 
+               /*
+                * If fixup_pi_state_owner() faulted and was unable to handle
+                * the fault, unlock the rt_mutex and return the fault to
+                * userspace.
+                */
+               if (ret && rt_mutex_owner(pi_mutex) == current)
+                       rt_mutex_unlock(pi_mutex);
+
                /* Unqueue and drop the lock. */
                unqueue_me_pi(&q);
        }
 
-       /*
-        * If fixup_pi_state_owner() faulted and was unable to handle the
-        * fault, unlock the rt_mutex and return the fault to userspace.
-        */
-       if (ret == -EFAULT) {
-               if (pi_mutex && rt_mutex_owner(pi_mutex) == current)
-                       rt_mutex_unlock(pi_mutex);
-       } else if (ret == -EINTR) {
+       if (ret == -EINTR) {
                /*
                 * We've already been requeued, but cannot restart by calling
                 * futex_lock_pi() directly. We could restart this syscall, but
@@ -3323,4 +3327,4 @@ static int __init futex_init(void)
 
        return 0;
 }
-__initcall(futex_init);
+core_initcall(futex_init);