mwifiex: remove redundant "return" at end of void function

The return statement at the last line of a void function
is not necessary.

Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
10 files changed