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Subject[PATCH 3/3] signal: use current->state helpers
Date
Call __set_current_state() instead of assigning the new state directly.
These interfaces also aid CONFIG_DEBUG_ATOMIC_SLEEP environments, keeping
track of who changed the state.

Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Cc: Oleg Nesterov <oleg@redhat.com>
---
kernel/signal.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/signal.c b/kernel/signal.c
index 33a5275..a390499 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -3550,7 +3550,7 @@ SYSCALL_DEFINE2(signal, int, sig, __sighandler_t, handler)
SYSCALL_DEFINE0(pause)
{
while (!signal_pending(current)) {
- current->state = TASK_INTERRUPTIBLE;
+ __set_current_state(TASK_INTERRUPTIBLE);
schedule();
}
return -ERESTARTNOHAND;
@@ -3563,7 +3563,7 @@ int sigsuspend(sigset_t *set)
current->saved_sigmask = current->blocked;
set_current_blocked(set);

- current->state = TASK_INTERRUPTIBLE;
+ __set_current_state(TASK_INTERRUPTIBLE);
schedule();
set_restore_sigmask();
return -ERESTARTNOHAND;
--
2.1.2


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