diff options
| -rw-r--r-- | include/net/ieee80211_radiotap.h | 2 | ||||
| -rw-r--r-- | net/mac80211/rx.c | 26 |
2 files changed, 13 insertions, 15 deletions
diff --git a/include/net/ieee80211_radiotap.h b/include/net/ieee80211_radiotap.h index 23c3f3d97779..9d3d86aaccbb 100644 --- a/include/net/ieee80211_radiotap.h +++ b/include/net/ieee80211_radiotap.h @@ -80,7 +80,7 @@ struct ieee80211_radiotap_header { * Additional extensions are made * by setting bit 31. */ -}; +} __packed; /* Name Data type Units * ---- --------- ----- diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 5c385e3c1d1f..01df328530ad 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -95,10 +95,6 @@ ieee80211_rx_radiotap_len(struct ieee80211_local *local, if (len & 1) /* padding for RX_FLAGS if necessary */ len++; - /* make sure radiotap starts at a naturally aligned address */ - if (len % 8) - len = roundup(len, 8); - return len; } @@ -116,6 +112,7 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local, struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); struct ieee80211_radiotap_header *rthdr; unsigned char *pos; + u16 rx_flags = 0; rthdr = (struct ieee80211_radiotap_header *)skb_push(skb, rtap_len); memset(rthdr, 0, rtap_len); @@ -134,7 +131,7 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local, /* IEEE80211_RADIOTAP_TSFT */ if (status->flag & RX_FLAG_TSFT) { - *(__le64 *)pos = cpu_to_le64(status->mactime); + put_unaligned_le64(status->mactime, pos); rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_TSFT); pos += 8; @@ -166,17 +163,17 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local, pos++; /* IEEE80211_RADIOTAP_CHANNEL */ - *(__le16 *)pos = cpu_to_le16(status->freq); + put_unaligned_le16(status->freq, pos); pos += 2; if (status->band == IEEE80211_BAND_5GHZ) - *(__le16 *)pos = cpu_to_le16(IEEE80211_CHAN_OFDM | - IEEE80211_CHAN_5GHZ); + put_unaligned_le16(IEEE80211_CHAN_OFDM | IEEE80211_CHAN_5GHZ, + pos); else if (rate->flags & IEEE80211_RATE_ERP_G) - *(__le16 *)pos = cpu_to_le16(IEEE80211_CHAN_OFDM | - IEEE80211_CHAN_2GHZ); + put_unaligned_le16(IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ, + pos); else - *(__le16 *)pos = cpu_to_le16(IEEE80211_CHAN_CCK | - IEEE80211_CHAN_2GHZ); + put_unaligned_le16(IEEE80211_CHAN_CCK | IEEE80211_CHAN_2GHZ, + pos); pos += 2; /* IEEE80211_RADIOTAP_DBM_ANTSIGNAL */ @@ -205,10 +202,11 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local, /* IEEE80211_RADIOTAP_RX_FLAGS */ /* ensure 2 byte alignment for the 2 byte field as required */ - if ((pos - (unsigned char *)rthdr) & 1) + if ((pos - (u8 *)rthdr) & 1) pos++; if (status->flag & RX_FLAG_FAILED_PLCP_CRC) - *(__le16 *)pos |= cpu_to_le16(IEEE80211_RADIOTAP_F_RX_BADPLCP); + rx_flags |= IEEE80211_RADIOTAP_F_RX_BADPLCP; + put_unaligned_le16(rx_flags, pos); pos += 2; } |