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gpio: mvebu: make mvchip->irqbase signed for error handling

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There is a bug in mvebu_gpio_probe() where we do:

	mvchip->irqbase = irq_alloc_descs(-1, 0, ngpios, -1);
	if (mvchip->irqbase < 0) {

The problem is that mvchip->irqbase is unsigned so the error handling
doesn't work.  I have changed it to be a regular int.

Cc: stable@vger.kernel.org
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Dan Carpenter
2013-11-07 10:50:19 +03:00
committed by Linus Walleij
parent 53e7cac35d
commit d535922691
1 changed files with 1 additions and 1 deletions
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drivers/gpio/gpio-mvebu.c
+1 -1
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@@ -79,7 +79,7 @@ struct mvebu_gpio_chip {
spinlock_t lock;
void __iomem *membase;
void __iomem *percpu_membase;
unsigned int irqbase;
int irqbase;
struct irq_domain *domain;
int soc_variant;
};