Commit 83233749 authored by Todd Poynor's avatar Todd Poynor Committed by Kevin Hilman
Browse files

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: default avatarTodd Poynor <toddpoynor@google.com>
Signed-off-by: default avatarKevin Hilman <khilman@ti.com>
parent ece9528e

drivers/gpio/gpio-omap.c

+5 −0
Original line number Diff line number Diff line
@@ -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. */