staging: lustre: ldlm: remove unused 'overlaps' variable

'overlaps' is never used, only incremented.
Signed-off-by: NNeilBrown <neilb@suse.com>
Reviewed-by: NAndreas Dilger <andreas.dilger@intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/ldlm/ldlm_flock.c

@@ -133,7 +133,6 @@ static int ldlm_process_flock_lock(struct ldlm_lock *req)
 	struct ldlm_lock *new2 = NULL;
 	enum ldlm_mode mode = req->l_req_mode;
 	int added = (mode == LCK_NL);
-	int overlaps = 0;
 	int splitted = 0;
 	const struct ldlm_callback_suite null_cbs = { };
 
@@ -226,8 +225,6 @@ static int ldlm_process_flock_lock(struct ldlm_lock *req)
 		    lock->l_policy_data.l_flock.start)
 			break;
 
-		++overlaps;
-
 		if (new->l_policy_data.l_flock.start <=
 		    lock->l_policy_data.l_flock.start) {
 			if (new->l_policy_data.l_flock.end <