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| author | Todd Poynor | 2011-07-18 16:43:14 +0200 |
|---|---|---|
| committer | Kevin Hilman | 2011-08-23 19:53:00 +0200 |
| commit | 832337490f22987a1b739ba840e105c0c9af01bc (patch) | |
| tree | a893d220f2d568a0628c77c04d1b9c9899474f87 /drivers/gpio | |
| parent | gpio/omap: replace MOD_REG_BIT macro with static inline (diff) | |
| download | kernel-qcow2-linux-832337490f22987a1b739ba840e105c0c9af01bc.tar.gz kernel-qcow2-linux-832337490f22987a1b739ba840e105c0c9af01bc.tar.xz kernel-qcow2-linux-832337490f22987a1b739ba840e105c0c9af01bc.zip | |
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 <toddpoynor@google.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-omap.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 34a7110d9bc8..f0208a958185 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. */ |