diff options
Diffstat (limited to 'drivers/net/wireless/zd1211rw/zd_mac.c')
| -rw-r--r-- | drivers/net/wireless/zd1211rw/zd_mac.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index a903645e157..5298a8bf112 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -1130,6 +1130,8 @@ static void zd_mac_rx(struct zd_mac *mac, struct sk_buff *skb) __skb_trim(skb, skb->len - (IEEE80211_FCS_LEN + sizeof(struct rx_status))); + ZD_ASSERT(IS_ALIGNED((unsigned long)skb->data, 4)); + update_qual_rssi(mac, skb->data, skb->len, stats.signal, status->signal_strength); @@ -1166,15 +1168,19 @@ static void do_rx(unsigned long mac_ptr) int zd_mac_rx_irq(struct zd_mac *mac, const u8 *buffer, unsigned int length) { struct sk_buff *skb; + unsigned int reserved = + ALIGN(max_t(unsigned int, + sizeof(struct zd_rt_hdr), ZD_PLCP_HEADER_SIZE), 4) - + ZD_PLCP_HEADER_SIZE; - skb = dev_alloc_skb(sizeof(struct zd_rt_hdr) + length); + skb = dev_alloc_skb(reserved + length); if (!skb) { struct ieee80211_device *ieee = zd_mac_to_ieee80211(mac); dev_warn(zd_mac_dev(mac), "Could not allocate skb.\n"); ieee->stats.rx_dropped++; return -ENOMEM; } - skb_reserve(skb, sizeof(struct zd_rt_hdr)); + skb_reserve(skb, reserved); memcpy(__skb_put(skb, length), buffer, length); skb_queue_tail(&mac->rx_queue, skb); tasklet_schedule(&mac->rx_tasklet); |