brcm80211: smac: remove usage of brcmu_pkttotlen

The function brcmu_pkttotlen calculates the total length of a sk_buff
chain following the next pointer. In brcmsmac this is not needed as
in each place where it was used the provided sk_buff had a NULL pointer
as next field value.

Reviewed-by: Alwin Beukers <alwin@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/brcm80211/brcmsmac/ampdu.c b/drivers/net/wireless/brcm80211/brcmsmac/ampdu.c
index 7f27dbd..43f7a72 100644 (file)
--- a/drivers/net/wireless/brcm80211/brcmsmac/ampdu.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/ampdu.c
@@ -649,7 +649,7 @@ brcms_c_sendampdu(struct ampdu_info *ampdu, struct brcms_txq_info *qi,
                len = roundup(len, 4);
                ampdu_len += (len + (ndelim + 1) * AMPDU_DELIMITER_LEN);
 
-               dma_len += (u16) brcmu_pkttotlen(p);
+               dma_len += (u16) p->len;
 
                BCMMSG(wlc->wiphy, "wl%d: ampdu_len %d"
                        " seg_cnt %d null delim %d\n",
@@ -741,9 +741,7 @@ brcms_c_sendampdu(struct ampdu_info *ampdu, struct brcms_txq_info *qi,
                if (p) {
                        if ((tx_info->flags & IEEE80211_TX_CTL_AMPDU) &&
                            ((u8) (p->priority) == tid)) {
-
-                               plen = brcmu_pkttotlen(p) +
-                                      AMPDU_MAX_MPDU_OVERHEAD;
+                               plen = p->len + AMPDU_MAX_MPDU_OVERHEAD;
                                plen = max(scb_ampdu->min_len, plen);
 
                                if ((plen + ampdu_len) > max_ampdu_bytes) {

diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c
index 0e8873e..6a679c9 100644 (file)
--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
@@ -949,7 +949,7 @@ brcms_c_dotxstatus(struct brcms_c_info *wlc, struct tx_status *txs)
                        tx_info->flags |= IEEE80211_TX_STAT_ACK;
        }
 
-       totlen = brcmu_pkttotlen(p);
+       totlen = p->len;
        free_pdu = true;
 
        brcms_c_txfifo_complete(wlc, queue, 1);
@@ -6716,7 +6716,7 @@ brcms_c_d11hdrs_mac80211(struct brcms_c_info *wlc, struct ieee80211_hw *hw,
        qos = ieee80211_is_data_qos(h->frame_control);
 
        /* compute length of frame in bytes for use in PLCP computations */
-       len = brcmu_pkttotlen(p);
+       len = p->len;
        phylen = len + FCS_LEN;
 
        /* Get tx_info */