Commits
Masahiro Yamada committed 6f0c3091e73
serial: of_serial: check the return value of clk_prepare_enable() The function clk_prepare_enable() may fail, and in that case it does not make sense to proceed. Let's check its return code and error out if it is a negative value. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>