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 Cc: Christian Pellegrin chripell@evolware.org Cc: Ben Dooks ben@simtec.co.uk Cc: Sangbeom Kim sbkim73@samsung.com Cc: Jassi Brar jassisinghbrar@gmail.com Acked-by: Liam Girdwood lrg@ti.com --- v2: Also use PTR_ERR() for return value.

sound/soc/samsung/s3c2412-i2s.c | 4 ++-- sound/soc/samsung/s3c24xx-i2s.c | 4 ++-- sound/soc/samsung/s3c24xx_uda134x.c | 8 ++++---- 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/sound/soc/samsung/s3c2412-i2s.c b/sound/soc/samsung/s3c2412-i2s.c index 841ab14..7ab8e2c 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 */ diff --git a/sound/soc/samsung/s3c24xx-i2s.c b/sound/soc/samsung/s3c24xx-i2s.c index 63d8849..21c92e2 100644 --- a/sound/soc/samsung/s3c24xx-i2s.c +++ b/sound/soc/samsung/s3c24xx-i2s.c @@ -383,10 +383,10 @@ static int s3c24xx_i2s_probe(struct snd_soc_dai *dai) return -ENXIO;

s3c24xx_i2s.iis_clk = clk_get(dai->dev, "iis"); - if (s3c24xx_i2s.iis_clk == NULL) { + if (IS_ERR(s3c24xx_i2s.iis_clk)) { pr_err("failed to get iis_clock\n"); iounmap(s3c24xx_i2s.regs); - return -ENODEV; + return PTR_ERR(s3c24xx_i2s.iis_clk); } clk_enable(s3c24xx_i2s.iis_clk);

diff --git a/sound/soc/samsung/s3c24xx_uda134x.c b/sound/soc/samsung/s3c24xx_uda134x.c index dc9d551..65c1cfd 100644 --- a/sound/soc/samsung/s3c24xx_uda134x.c +++ b/sound/soc/samsung/s3c24xx_uda134x.c @@ -66,17 +66,17 @@ static int s3c24xx_uda134x_startup(struct snd_pcm_substream *substream) pr_debug("%s %d\n", __func__, clk_users); if (clk_users == 0) { xtal = clk_get(&s3c24xx_uda134x_snd_device->dev, "xtal"); - if (!xtal) { + if (IS_ERR(xtal)) { printk(KERN_ERR "%s cannot get xtal\n", __func__); - ret = -EBUSY; + ret = PTR_ERR(xtal); } else { pclk = clk_get(&s3c24xx_uda134x_snd_device->dev, "pclk"); - if (!pclk) { + if (IS_ERR(pclk)) { printk(KERN_ERR "%s cannot get pclk\n", __func__); clk_put(xtal); - ret = -EBUSY; + ret = PTR_ERR(pclk); } } if (!ret) {