Input: cros_ec_keyb - remove redundant variable num_cols

Variable num_cols is being assigned but is never used hence it is
redundant and can be removed.

Cleans up clang warning:
warning: variable ‘num_cols’ set but not used [-Wunused-but-set-variable]

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/keyboard/cros_ec_keyb.c b/drivers/input/keyboard/cros_ec_keyb.c
index 820bebad519aeef8590efe78e3c20caaef32264b..81be6f781f0b60207088114e0b72b6e0e12d1b14 100644 (file)
--- a/drivers/input/keyboard/cros_ec_keyb.c
+++ b/drivers/input/keyboard/cros_ec_keyb.c
@@ -160,9 +160,6 @@ static void cros_ec_keyb_process(struct cros_ec_keyb *ckdev,
        int col, row;
        int new_state;
        int old_state;
-       int num_cols;
-
-       num_cols = len;
 
        if (ckdev->ghost_filter && cros_ec_keyb_has_ghosting(ckdev, kb_state)) {
                /*