platform_get_irq() returns negative error number on failure, fix the return value check in pxa2xx_ac97_hw_probe() and assign the error code to 'ret'.

Fixes: 2548e6c76ebf ("ARM: pxa: pxa2xx-ac97-lib: use IRQ resource") Reported-by: Hulk Robot hulkci@huawei.com Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- sound/arm/pxa2xx-ac97-lib.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sound/arm/pxa2xx-ac97-lib.c b/sound/arm/pxa2xx-ac97-lib.c index e55c0421718b..2ca33fd5a575 100644 --- a/sound/arm/pxa2xx-ac97-lib.c +++ b/sound/arm/pxa2xx-ac97-lib.c @@ -402,8 +402,10 @@ int pxa2xx_ac97_hw_probe(struct platform_device *dev) goto err_clk2;

irq = platform_get_irq(dev, 0); - if (!irq) + if (irq < 0) { + ret = irq; goto err_irq; + }

ret = request_irq(irq, pxa2xx_ac97_irq, 0, "AC97", NULL); if (ret < 0)