drivers/rtc/rtc-max77686.c: fix incorrect return value on error

'ret' was not initialized to error code before returning. While
at it also remove some redundant code and cleanup.

Signed-off-by: Sachin Kamat <[email protected]>
Cc: Chiwoong Byun <[email protected]>
Cc: Jonghwa Lee <[email protected]>
Cc: Laxman dewangan <[email protected]>
Cc: Venu Byravarasu <[email protected]>
Cc: Jingoo Han <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
1 file changed