[PATCH 3/3 v3] ASoC: nuc900: Fix platform_get_irq's error checking

[Arvind Yadav]

The platform_get_irq() function returns negative if an error occurs.
zero or positive number on success. platform_get_irq() error checking
for zero is not correct.

Signed-off-by: Arvind Yadav <arvind.yadav...@gmail.com>
---
changes in v2 :
               irq was unsigned. so using signed variable ret.
changes in v3 :
              Add failure case '<= 0' instead of '< 0'. IRQ0 is not valid.

 sound/soc/nuc900/nuc900-ac97.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/sound/soc/nuc900/nuc900-ac97.c b/sound/soc/nuc900/nuc900-ac97.c
index b6615af..71fce7c 100644
--- a/sound/soc/nuc900/nuc900-ac97.c
+++ b/sound/soc/nuc900/nuc900-ac97.c
@@ -345,11 +345,10 @@ static int nuc900_ac97_drvprobe(struct platform_device 
*pdev)
                goto out;
        }
 
-       nuc900_audio->irq_num = platform_get_irq(pdev, 0);
-       if (!nuc900_audio->irq_num) {
-               ret = -EBUSY;
+       ret = platform_get_irq(pdev, 0);
+       if (ret <= 0)
                goto out;
-       }
+       nuc900_audio->irq_num = ret;
 
        nuc900_ac97_data = nuc900_audio;
 
-- 
2.7.4