---

yaml --- r: 75029 b: refs/heads/master c: 9313794 h: refs/heads/master i: 75027: 27d8c95 v: v3
git-mirror · Dec 17, 2007 · 8396da8 · 8396da8
1 parent 70f1068
commit 8396da8
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Showing 2 changed files with 9 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 74cda169fe65ca1dedad6d4a905b13c6ccd87351
+refs/heads/master: 9313794371ad39e6bf88e1fbef8dfb3bd1ae3fe7
diff --git a/trunk/drivers/net/wireless/zd1211rw/zd_mac.c b/trunk/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);