wireless: clean up radiotap a bit
No need to pad the header so no constant needed for that,
no need to carry any version number from netbsd nor CVS
IDs from them.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c
index d2a2b75..48fa6df 100644
--- a/drivers/net/wireless/ipw2x00/ipw2200.c
+++ b/drivers/net/wireless/ipw2x00/ipw2200.c
@@ -7797,15 +7797,6 @@
memmove(rxb->skb->data + sizeof(struct ipw_rt_hdr),
rxb->skb->data + IPW_RX_FRAME_SIZE, len);
- /* Zero the radiotap static buffer ... We only need to zero the bytes NOT
- * part of our real header, saves a little time.
- *
- * No longer necessary since we fill in all our data. Purge before merging
- * patch officially.
- * memset(rxb->skb->data + sizeof(struct ipw_rt_hdr), 0,
- * IEEE80211_RADIOTAP_HDRLEN - sizeof(struct ipw_rt_hdr));
- */
-
ipw_rt = (struct ipw_rt_hdr *)rxb->skb->data;
ipw_rt->rt_hdr.it_version = PKTHDR_RADIOTAP_VERSION;
@@ -8013,15 +8004,6 @@
memcpy(ipw_rt->payload, hdr, len);
- /* Zero the radiotap static buffer ... We only need to zero the bytes
- * NOT part of our real header, saves a little time.
- *
- * No longer necessary since we fill in all our data. Purge before
- * merging patch officially.
- * memset(rxb->skb->data + sizeof(struct ipw_rt_hdr), 0,
- * IEEE80211_RADIOTAP_HDRLEN - sizeof(struct ipw_rt_hdr));
- */
-
ipw_rt->rt_hdr.it_version = PKTHDR_RADIOTAP_VERSION;
ipw_rt->rt_hdr.it_pad = 0; /* always good to zero */
ipw_rt->rt_hdr.it_len = cpu_to_le16(sizeof(*ipw_rt)); /* total header+data */
@@ -10409,9 +10391,9 @@
} else
len = src->len;
- dst = alloc_skb(
- len + IEEE80211_RADIOTAP_HDRLEN, GFP_ATOMIC);
- if (!dst) continue;
+ dst = alloc_skb(len + sizeof(*rt_hdr), GFP_ATOMIC);
+ if (!dst)
+ continue;
rt_hdr = (void *)skb_put(dst, sizeof(*rt_hdr));
