> sscanf returns 0 when an invalid parameter like: > echo -n "a">min_freq > is attempted. Returning back the return result(0) will > cause the command not to return back to command > prompt. > > Instead, just return -EINVAL when sscanf does not > return 1. > > This is done for min_freq, max_freq and polling_interval > > Cc: MyungJoo Ham > Cc: Kyungmin Park > Cc: "Rafael J. Wysocki" > Cc: Kevin Hilman > Cc: linux-pm@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > > Signed-off-by: Nishanth Menon Acked-by: MyungJoo Ham {.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I