iwlagn: Convert kzalloc to kcalloc

Convert kzalloc to kcalloc, coalesce multiple lines too.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-trans.c

@@ -308,10 +308,8 @@ static int iwl_trans_txq_alloc(struct iwl_trans *trans,
 
 	txq->q.n_window = slots_num;
 
-	txq->meta = kzalloc(sizeof(txq->meta[0]) * slots_num,
-			    GFP_KERNEL);
-	txq->cmd = kzalloc(sizeof(txq->cmd[0]) * slots_num,
-			   GFP_KERNEL);
+	txq->meta = kcalloc(slots_num, sizeof(txq->meta[0]), GFP_KERNEL);
+	txq->cmd = kcalloc(slots_num, sizeof(txq->cmd[0]), GFP_KERNEL);
 
 	if (!txq->meta || !txq->cmd)
 		goto error;