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| author |   Aaro Koskinen <aaro.koskinen@iki.fi> | 2019-04-16 02:37:32 +0300 |
|---|---|---|
| committer |   Tony Lindgren <tony@atomide.com> | 2019-04-16 07:43:19 -0700 |
| commit | 11e600a8c79db090688475074a6ad13234f07541 (patch) | |
| tree | f6dbeac04014102cb313622e8a25bad13f242525 /arch/arm/mach-omap1 | |
| parent | Merge commit '7d56bedb2730dc2ea8abf0fd7240ee99ecfee3c9' into omap-for-v5.1/fixes (diff) | |
| download | linux-dev-11e600a8c79db090688475074a6ad13234f07541.tar.xz linux-dev-11e600a8c79db090688475074a6ad13234f07541.zip | |
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.c | 2 |
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); } |