diff options
| author | David Woodhouse <dwmw2@infradead.org> | 2007-12-10 00:05:37 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 15:06:31 -0800 |
| commit | 180be755aec37483337f64bfca3d4b02f5c8fef4 (patch) | |
| tree | 310fc67f9a6a8f103203f82b71aa7e81f362defe /drivers/net/wireless/libertas/rx.c | |
| parent | 2eb188a1c57ae79283cee951c317bd191cf1ca56 (diff) | |
libertas: remove unreachable code from process_rxed_802_11_packet()
The function is only ever called if we're in rtap mode. So the bit in it
which is conditional on rtap mode seems a little superfluous.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/libertas/rx.c')
| -rw-r--r-- | drivers/net/wireless/libertas/rx.c | 75 |
1 files changed, 32 insertions, 43 deletions
diff --git a/drivers/net/wireless/libertas/rx.c b/drivers/net/wireless/libertas/rx.c index 58e831108120..90a21996e823 100644 --- a/drivers/net/wireless/libertas/rx.c +++ b/drivers/net/wireless/libertas/rx.c @@ -355,52 +355,41 @@ static int process_rxed_802_11_packet(struct lbs_private *priv, skb->len, sizeof(struct rxpd), skb->len - sizeof(struct rxpd)); /* create the exported radio header */ - if (priv->monitormode == LBS_MONITOR_OFF) { - /* no radio header */ - /* chop the rxpd */ - skb_pull(skb, sizeof(struct rxpd)); - } - else { - /* radiotap header */ - radiotap_hdr.hdr.it_version = 0; - /* XXX must check this value for pad */ - radiotap_hdr.hdr.it_pad = 0; - radiotap_hdr.hdr.it_len = cpu_to_le16 (sizeof(struct rx_radiotap_hdr)); - radiotap_hdr.hdr.it_present = cpu_to_le32 (RX_RADIOTAP_PRESENT); - /* unknown values */ - radiotap_hdr.flags = 0; - radiotap_hdr.chan_freq = 0; - radiotap_hdr.chan_flags = 0; - radiotap_hdr.antenna = 0; - /* known values */ - radiotap_hdr.rate = convert_mv_rate_to_radiotap(prxpd->rx_rate); - /* XXX must check no carryout */ - radiotap_hdr.antsignal = prxpd->snr + prxpd->nf; - radiotap_hdr.rx_flags = 0; - if (!(prxpd->status & cpu_to_le16(MRVDRV_RXPD_STATUS_OK))) - radiotap_hdr.rx_flags |= IEEE80211_RADIOTAP_F_RX_BADFCS; - //memset(radiotap_hdr.pad, 0x11, IEEE80211_RADIOTAP_HDRLEN - 18); - - /* chop the rxpd */ - skb_pull(skb, sizeof(struct rxpd)); - - /* add space for the new radio header */ - if ((skb_headroom(skb) < sizeof(struct rx_radiotap_hdr)) && - pskb_expand_head(skb, sizeof(struct rx_radiotap_hdr), 0, - GFP_ATOMIC)) { - lbs_pr_alert("%s: couldn't pskb_expand_head\n", - __func__); - } - - pradiotap_hdr = - (struct rx_radiotap_hdr *)skb_push(skb, - sizeof(struct - rx_radiotap_hdr)); - memcpy(pradiotap_hdr, &radiotap_hdr, - sizeof(struct rx_radiotap_hdr)); + /* radiotap header */ + radiotap_hdr.hdr.it_version = 0; + /* XXX must check this value for pad */ + radiotap_hdr.hdr.it_pad = 0; + radiotap_hdr.hdr.it_len = cpu_to_le16 (sizeof(struct rx_radiotap_hdr)); + radiotap_hdr.hdr.it_present = cpu_to_le32 (RX_RADIOTAP_PRESENT); + /* unknown values */ + radiotap_hdr.flags = 0; + radiotap_hdr.chan_freq = 0; + radiotap_hdr.chan_flags = 0; + radiotap_hdr.antenna = 0; + /* known values */ + radiotap_hdr.rate = convert_mv_rate_to_radiotap(prxpd->rx_rate); + /* XXX must check no carryout */ + radiotap_hdr.antsignal = prxpd->snr + prxpd->nf; + radiotap_hdr.rx_flags = 0; + if (!(prxpd->status & cpu_to_le16(MRVDRV_RXPD_STATUS_OK))) + radiotap_hdr.rx_flags |= IEEE80211_RADIOTAP_F_RX_BADFCS; + //memset(radiotap_hdr.pad, 0x11, IEEE80211_RADIOTAP_HDRLEN - 18); + + /* chop the rxpd */ + skb_pull(skb, sizeof(struct rxpd)); + + /* add space for the new radio header */ + if ((skb_headroom(skb) < sizeof(struct rx_radiotap_hdr)) && + pskb_expand_head(skb, sizeof(struct rx_radiotap_hdr), 0, + GFP_ATOMIC)) { + lbs_pr_alert("%s: couldn't pskb_expand_head\n", + __func__); } + pradiotap_hdr = (void *)skb_push(skb, sizeof(struct rx_radiotap_hdr)); + memcpy(pradiotap_hdr, &radiotap_hdr, sizeof(struct rx_radiotap_hdr)); + /* Take the data rate from the rxpd structure * only if the rate is auto */ |