iwlagn: remove unused pad argument

The pad argument to iwlagn_txq_free_tfd
isn't used, remove it.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 302284b..a47558f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -182,7 +182,7 @@
 int iwlagn_txq_attach_buf_to_tfd(struct iwl_priv *priv,
 				 struct iwl_tx_queue *txq,
 				 dma_addr_t addr, u16 len,
-				 u8 reset, u8 pad)
+				 u8 reset)
 {
 	struct iwl_queue *q;
 	struct iwl_tfd *tfd, *tfd_tmp;
@@ -702,8 +702,7 @@
 
 	trace_iwlwifi_dev_hcmd(priv, &out_cmd->hdr, fix_size, cmd->flags);
 
-	iwlagn_txq_attach_buf_to_tfd(priv, txq, phys_addr, fix_size, 1,
-				     U32_PAD(cmd->len[0]));
+	iwlagn_txq_attach_buf_to_tfd(priv, txq, phys_addr, fix_size, 1);
 
 	/* Increment and update queue's write index */
 	q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd);