ASoC: samsung: Fix checking return value of clk_get

clk_get() returns a pointer to the struct clk or an ERR_PTR().
This patch also use PTR_ERR() for return value.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/sound/soc/samsung/s3c2412-i2s.c b/sound/soc/samsung/s3c2412-i2s.c
index 841ab14c1100..7ab8e2c29216 100644
--- a/sound/soc/samsung/s3c2412-i2s.c
+++ b/sound/soc/samsung/s3c2412-i2s.c
@@ -69,10 +69,10 @@ static int s3c2412_i2s_probe(struct snd_soc_dai *dai)
         s3c2412_i2s.dma_playback = &s3c2412_i2s_pcm_stereo_out;
 
         s3c2412_i2s.iis_cclk = clk_get(dai->dev, "i2sclk");
-        if (s3c2412_i2s.iis_cclk == NULL) {
+        if (IS_ERR(s3c2412_i2s.iis_cclk)) {
                 pr_err("failed to get i2sclk clock\n");
                 iounmap(s3c2412_i2s.regs);
-                return -ENODEV;
+                return PTR_ERR(s3c2412_i2s.iis_cclk);
         }
 
         /* Set MPLL as the source for IIS CLK */