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i2c: rcar: fix clk_get() error handling

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When clk_get() fails, it returns an error code, not a NULL. This patch
fixes such an error handling bug.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Guennadi Liakhovetski 2013-09-12 14:36:47 +02:00 committed by Wolfram Sang
parent 7679c0e191
commit 330c824a49
1 changed files with 3 additions and 3 deletions
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6
drivers/i2c/busses/i2c-rcar.c
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@ -234,9 +234,9 @@ static int rcar_i2c_clock_calculate(struct rcar_i2c_priv *priv,
u32 cdf_width;
unsigned long rate;
if (!clkp) {
dev_err(dev, "there is no peripheral_clk\n");
return -EIO;
if (IS_ERR(clkp)) {
dev_err(dev, "couldn't get clock\n");
return PTR_ERR(clkp);
}
switch (priv->devtype) {