[PATCH] ipw2200: use generic ieee80211_get_hdrlen() to get packet length
replace ipw2200 specific frame_hdr_len() with generic
ieee80211 routine ieee80211_get_hdrlen()
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c
index 129891f..b2bbdf9 100644
--- a/drivers/net/wireless/ipw2200.c
+++ b/drivers/net/wireless/ipw2200.c
@@ -7895,7 +7895,8 @@
le16_to_cpu(pkt->u.frame.length));
if (le16_to_cpu(pkt->u.frame.length) <
- frame_hdr_len(header)) {
+ ieee80211_get_hdrlen(le16_to_cpu(
+ header->frame_ctl))) {
IPW_DEBUG_DROP
("Received packet is too small. "
"Dropping.\n");
diff --git a/drivers/net/wireless/ipw2200.h b/drivers/net/wireless/ipw2200.h
index 5405ba1..c2a7aa3 100644
--- a/drivers/net/wireless/ipw2200.h
+++ b/drivers/net/wireless/ipw2200.h
@@ -1907,27 +1907,4 @@
#define IPW_MAX_CONFIG_RETRIES 10
-static inline u32 frame_hdr_len(struct ieee80211_hdr_4addr *hdr)
-{
- u32 retval;
- u16 fc;
-
- retval = sizeof(struct ieee80211_hdr_3addr);
- fc = le16_to_cpu(hdr->frame_ctl);
-
- /*
- * Function ToDS FromDS
- * IBSS 0 0
- * To AP 1 0
- * From AP 0 1
- * WDS (bridge) 1 1
- *
- * Only WDS frames use Address4 among them. --YZ
- */
- if (!(fc & IEEE80211_FCTL_TODS) || !(fc & IEEE80211_FCTL_FROMDS))
- retval -= ETH_ALEN;
-
- return retval;
-}
-
#endif /* __ipw2200_h__ */