ALSA: arm: pxa: pxa2xx-ac97-lib: fix return value check of platform_get_irq()

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")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221029082001.3207380-1-yangyingliang@huawei.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/arm/pxa2xx-ac97-lib.c b/sound/arm/pxa2xx-ac97-lib.c
index e55c042..2ca33fd 100644 (file)
--- 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)