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>
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@ -1090,6 +1090,11 @@ omap_mpuio_alloc_gc(struct gpio_bank *bank, unsigned int irq_start,
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gc = irq_alloc_generic_chip("MPUIO", 1, irq_start, bank->base,
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handle_simple_irq);
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if (!gc) {
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dev_err(bank->dev, "Memory alloc failed for gc\n");
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return;
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}
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ct = gc->chip_types;
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/* NOTE: No ack required, reading IRQ status clears it. */
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