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authorAaro Koskinen <aaro.koskinen@iki.fi>2019-04-16 02:37:32 +0300
committerTony Lindgren <tony@atomide.com>2019-04-16 07:43:19 -0700
commit11e600a8c79db090688475074a6ad13234f07541 (patch)
treef6dbeac04014102cb313622e8a25bad13f242525 /arch/arm/mach-omap1
parent81717283cf2c4c4d9bf8fd618cd6e5bdfe082edd (diff)
downloadlinux-11e600a8c79db090688475074a6ad13234f07541.tar.bz2
ARM: OMAP1: ams-delta: fix early boot crash when LED support is disabled
When we boot with the LED support (CONFIG_NEW_LEDS) disabled, gpio_led_register_device() will return a NULL pointer and we try to dereference it. Fix by checking also for a NULL pointer. Fixes: 19a2668a8ae3 ("ARM: OMAP1: ams-delta: Provide GPIO lookup table for LED device") Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap1')
-rw-r--r--arch/arm/mach-omap1/board-ams-delta.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c
index 1b15d593837e..b6e814166ee0 100644
--- a/arch/arm/mach-omap1/board-ams-delta.c
+++ b/arch/arm/mach-omap1/board-ams-delta.c
@@ -749,7 +749,7 @@ static void __init ams_delta_init(void)
ARRAY_SIZE(ams_delta_gpio_tables));
leds_pdev = gpio_led_register_device(PLATFORM_DEVID_NONE, &leds_pdata);
- if (!IS_ERR(leds_pdev)) {
+ if (!IS_ERR_OR_NULL(leds_pdev)) {
leds_gpio_table.dev_id = dev_name(&leds_pdev->dev);
gpiod_add_lookup_table(&leds_gpio_table);
}