wifi: ath10k: Remove redundant argument offset

This argument of ath10k_htt_rx_h_frag_pn_check() is always set to 0 so
drop this.

Signed-off-by: Zhi-Jun You <hujy652@gmail.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20221110164025.14418-1-hujy652@gmail.com

drivers/net/wireless/ath/ath10k/htt_rx.c

@@ -1844,15 +1844,14 @@ static void ath10k_htt_rx_h_csum_offload(struct ath10k_hw_params *hw,
 }
 
 static u64 ath10k_htt_rx_h_get_pn(struct ath10k *ar, struct sk_buff *skb,
-				  u16 offset,
 				  enum htt_rx_mpdu_encrypt_type enctype)
 {
 	struct ieee80211_hdr *hdr;
 	u64 pn = 0;
 	u8 *ehdr;
 
-	hdr = (struct ieee80211_hdr *)(skb->data + offset);
-	ehdr = skb->data + offset + ieee80211_hdrlen(hdr->frame_control);
+	hdr = (struct ieee80211_hdr *)skb->data;
+	ehdr = skb->data + ieee80211_hdrlen(hdr->frame_control);
 
 	if (enctype == HTT_RX_MPDU_ENCRYPT_AES_CCM_WPA2) {
 		pn = ehdr[0];
@@ -1866,19 +1865,17 @@ static u64 ath10k_htt_rx_h_get_pn(struct ath10k *ar, struct sk_buff *skb,
 }
 
 static bool ath10k_htt_rx_h_frag_multicast_check(struct ath10k *ar,
-						 struct sk_buff *skb,
-						 u16 offset)
+						 struct sk_buff *skb)
 {
 	struct ieee80211_hdr *hdr;
 
-	hdr = (struct ieee80211_hdr *)(skb->data + offset);
+	hdr = (struct ieee80211_hdr *)skb->data;
 	return !is_multicast_ether_addr(hdr->addr1);
 }
 
 static bool ath10k_htt_rx_h_frag_pn_check(struct ath10k *ar,
 					  struct sk_buff *skb,
 					  u16 peer_id,
-					  u16 offset,
 					  enum htt_rx_mpdu_encrypt_type enctype)
 {
 	struct ath10k_peer *peer;
@@ -1893,14 +1890,14 @@ static bool ath10k_htt_rx_h_frag_pn_check(struct ath10k *ar,
 		return false;
 	}
 
-	hdr = (struct ieee80211_hdr *)(skb->data + offset);
+	hdr = (struct ieee80211_hdr *)skb->data;
 	if (ieee80211_is_data_qos(hdr->frame_control))
 		tid = ieee80211_get_tid(hdr);
 	else
 		tid = ATH10K_TXRX_NON_QOS_TID;
 
 	last_pn = &peer->frag_tids_last_pn[tid];
-	new_pn.pn48 = ath10k_htt_rx_h_get_pn(ar, skb, offset, enctype);
+	new_pn.pn48 = ath10k_htt_rx_h_get_pn(ar, skb, enctype);
 	frag_number = le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG;
 	seq = IEEE80211_SEQ_TO_SN(__le16_to_cpu(hdr->seq_ctrl));
 
@@ -2059,13 +2056,11 @@ static void ath10k_htt_rx_h_mpdu(struct ath10k *ar,
 			frag_pn_check = ath10k_htt_rx_h_frag_pn_check(ar,
 								      msdu,
 								      peer_id,
-								      0,
 								      enctype);
 
 		if (frag)
 			multicast_check = ath10k_htt_rx_h_frag_multicast_check(ar,
-									       msdu,
-									       0);
+									       msdu);
 
 		if (!frag_pn_check || !multicast_check) {
 			/* Discard the fragment with invalid PN or multicast DA