Module Name: src
Committed By: jmcneill
Date: Thu Jul 6 14:26:00 UTC 2017
Modified Files:
src/sys/dev/fdt: gpiokeys.c
Log Message:
Only read gpio pin if the pin is valid
To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.4 src/sys/dev/fdt/gpiokeys.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/fdt/gpiokeys.c
diff -u src/sys/dev/fdt/gpiokeys.c:1.3 src/sys/dev/fdt/gpiokeys.c:1.4
--- src/sys/dev/fdt/gpiokeys.c:1.3 Thu Jul 6 14:01:38 2017
+++ src/sys/dev/fdt/gpiokeys.c Thu Jul 6 14:26:00 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: gpiokeys.c,v 1.3 2017/07/06 14:01:38 jmcneill Exp $ */
+/* $NetBSD: gpiokeys.c,v 1.4 2017/07/06 14:26:00 jmcneill Exp $ */
/*-
* Copyright (c) 2015 Jared D. McNeill <[email protected]>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: gpiokeys.c,v 1.3 2017/07/06 14:01:38 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: gpiokeys.c,v 1.4 2017/07/06 14:26:00 jmcneill Exp $");
#include <sys/param.h>
#include <sys/kernel.h>
@@ -128,7 +128,8 @@ gpiokeys_attach(device_t parent, device_
key->key_debounce = debounce;
key->key_pin = fdtbus_gpio_acquire(child, "gpios",
GPIO_PIN_INPUT);
- key->key_state = fdtbus_gpio_read(key->key_pin);
+ if (key->key_pin)
+ key->key_state = fdtbus_gpio_read(key->key_pin);
key->key_pswitch.smpsw_name = key->key_label;
switch (code) {
