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i2c: wmt: add missing clk_disable_unprepare() on error 

Add the missing clk_disable_unprepare() before return
from wmt_i2c_reset_hardware() in the error handling case.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org # 3.11+
This commit is contained in:
Wei Yongjun 2013-11-11 22:23:50 +08:00 committed by Wolfram Sang
parent 25b3dfc87b
commit 2dc9688a10
1 changed files with 1 additions and 0 deletions
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drivers/i2c/busses/i2c-wmt.c
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@ -349,6 +349,7 @@ static int wmt_i2c_reset_hardware(struct wmt_i2c_dev *i2c_dev)
err = clk_set_rate(i2c_dev->clk, 20000000);
if (err) {
dev_err(i2c_dev->dev, "failed to set clock = 20Mhz\n");
clk_disable_unprepare(i2c_dev->clk);
return err;
}