From 2d92bffdccdd270c1a639a5569bbb801bd6f8315 Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Sat, 23 Jul 2016 13:53:37 -0600
Subject: [PATCH] Trivial change left in editor

---
 drivers/ioexpander/gpio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ioexpander/gpio.c b/drivers/ioexpander/gpio.c
index 9c2d46cc20..9e806c3bee 100644
--- a/drivers/ioexpander/gpio.c
+++ b/drivers/ioexpander/gpio.c
@@ -99,7 +99,7 @@ static const struct file_operations g_gpio_drvrops =
 static int gpio_handler(FAR struct gpio_dev_s *dev)
 {
   DEBUGASSERT(dev != NULL);
-  kill(dev->gp_pid, dev->gp_signo);
+  (void)kill(dev->gp_pid, dev->gp_signo);
   return OK;
 }