[PATCH 1/2] dequeue_synchronous_signal: use SI_FROMKERNEL()

[Oleg Nesterov <oleg@redhat.com>]

Cosmetic, to make the intent more clear to the reader.

Signed-off-by: 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 d65d0fe24bfb..9924489c43a5 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -681,8 +681,8 @@ static int dequeue_synchronous_signal(kernel_siginfo_t *info)
 	 * Return the first synchronous signal in the queue.
 	 */
 	list_for_each_entry(q, &pending->list, list) {
-		/* Synchronous signals have a positive si_code */
-		if ((q->info.si_code > SI_USER) &&
+		/* Synchronous signals are always from kernel */
+		if (SI_FROMKERNEL(&q->info) &&
 		    (sigmask(q->info.si_signo) & SYNCHRONOUS_MASK)) {
 			sync = q;
 			goto next;
-- 
2.52.0