mfd: tc6393xb: Handle return value of clk_prepare_enable

clk_prepare_enable() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
index d16e71bd9482ab2ca005287c9fd9c72b07b4ebe3..0c9f0390e891949ff7c84d78f75a36fff168aecd 100644 (file)
--- a/drivers/mfd/tc6393xb.c
+++ b/drivers/mfd/tc6393xb.c
@@ -797,7 +797,9 @@ static int tc6393xb_resume(struct platform_device *dev)
        int ret;
        int i;
 
-       clk_prepare_enable(tc6393xb->clk);
+       ret = clk_prepare_enable(tc6393xb->clk);
+       if (ret)
+               return ret;
 
        ret = tcpd->resume(dev);
        if (ret)