From 832337490f22987a1b739ba840e105c0c9af01bc Mon Sep 17 00:00:00 2001 From: Todd Poynor Date: Mon, 18 Jul 2011 07:43:14 -0700 Subject: gpio/omap: check return value from irq_alloc_generic_chip Ensure return value of irq_alloc_generic_chip() is checked before continuing on to use it. Signed-off-by: Todd Poynor Signed-off-by: Kevin Hilman --- drivers/gpio/gpio-omap.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers/gpio/gpio-omap.c') diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 34a7110d9bc..f0208a95818 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -1090,6 +1090,11 @@ omap_mpuio_alloc_gc(struct gpio_bank *bank, unsigned int irq_start, gc = irq_alloc_generic_chip("MPUIO", 1, irq_start, bank->base, handle_simple_irq); + if (!gc) { + dev_err(bank->dev, "Memory alloc failed for gc\n"); + return; + } + ct = gc->chip_types; /* NOTE: No ack required, reading IRQ status clears it. */ -- cgit v1.2.3