pata_arasan_cf: add missing clk_disable_unprepare() on error path

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

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>

diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c
index e88690e..73492dd 100644 (file)
--- a/drivers/ata/pata_arasan_cf.c
+++ b/drivers/ata/pata_arasan_cf.c
@@ -319,6 +319,7 @@ static int cf_init(struct arasan_cf_dev *acdev)
        ret = clk_set_rate(acdev->clk, 166000000);
        if (ret) {
                dev_warn(acdev->host->dev, "clock set rate failed");
+               clk_disable_unprepare(acdev->clk);
                return ret;
        }