diff options
| -rw-r--r-- | drivers/staging/wlan-ng/p80211conv.c | 45 |
1 files changed, 28 insertions, 17 deletions
diff --git a/drivers/staging/wlan-ng/p80211conv.c b/drivers/staging/wlan-ng/p80211conv.c index 83879f9a0b7d..146f3651b6f2 100644 --- a/drivers/staging/wlan-ng/p80211conv.c +++ b/drivers/staging/wlan-ng/p80211conv.c @@ -148,7 +148,8 @@ int skb_ether_to_p80211(wlandevice_t *wlandev, u32 ethconv, /* tack on SNAP */ e_snap = - (struct wlan_snap *) skb_push(skb, sizeof(struct wlan_snap)); + (struct wlan_snap *) skb_push(skb, + sizeof(struct wlan_snap)); e_snap->type = htons(proto); if (ethconv == WLAN_ETHCONV_8021h && p80211_stt_findproto(proto)) { @@ -161,7 +162,8 @@ int skb_ether_to_p80211(wlandevice_t *wlandev, u32 ethconv, /* tack on llc */ e_llc = - (struct wlan_llc *) skb_push(skb, sizeof(struct wlan_llc)); + (struct wlan_llc *) skb_push(skb, + sizeof(struct wlan_llc)); e_llc->dsap = 0xAA; /* SNAP, see IEEE 802 */ e_llc->ssap = 0xAA; e_llc->ctl = 0x03; @@ -297,10 +299,12 @@ int skb_p80211_to_ether(wlandevice_t *wlandev, u32 ethconv, if ((WLAN_GET_FC_TODS(fc) == 0) && (WLAN_GET_FC_FROMDS(fc) == 0)) { memcpy(daddr, w_hdr->a3.a1, WLAN_ETHADDR_LEN); memcpy(saddr, w_hdr->a3.a2, WLAN_ETHADDR_LEN); - } else if ((WLAN_GET_FC_TODS(fc) == 0) && (WLAN_GET_FC_FROMDS(fc) == 1)) { + } else if ((WLAN_GET_FC_TODS(fc) == 0) + && (WLAN_GET_FC_FROMDS(fc) == 1)) { memcpy(daddr, w_hdr->a3.a1, WLAN_ETHADDR_LEN); memcpy(saddr, w_hdr->a3.a3, WLAN_ETHADDR_LEN); - } else if ((WLAN_GET_FC_TODS(fc) == 1) && (WLAN_GET_FC_FROMDS(fc) == 0)) { + } else if ((WLAN_GET_FC_TODS(fc) == 1) + && (WLAN_GET_FC_FROMDS(fc) == 0)) { memcpy(daddr, w_hdr->a3.a3, WLAN_ETHADDR_LEN); memcpy(saddr, w_hdr->a3.a2, WLAN_ETHADDR_LEN); } else { @@ -349,7 +353,8 @@ int skb_p80211_to_ether(wlandevice_t *wlandev, u32 ethconv, e_llc = (struct wlan_llc *) (skb->data + payload_offset); e_snap = - (struct wlan_snap *) (skb->data + payload_offset + sizeof(struct wlan_llc)); + (struct wlan_snap *) (skb->data + payload_offset + + sizeof(struct wlan_llc)); /* Test for the various encodings */ if ((payload_length >= sizeof(struct wlan_ethhdr)) && @@ -372,9 +377,11 @@ int skb_p80211_to_ether(wlandevice_t *wlandev, u32 ethconv, /* chop off the 802.11 CRC */ skb_trim(skb, skb->len - WLAN_CRC_LEN); - } else if ((payload_length >= sizeof(struct wlan_llc) + sizeof(struct wlan_snap)) - && (e_llc->dsap == 0xaa) && (e_llc->ssap == 0xaa) - && (e_llc->ctl == 0x03) + } else if ((payload_length >= sizeof(struct wlan_llc) + + sizeof(struct wlan_snap)) + &&(e_llc->dsap == 0xaa) + && (e_llc->ssap == 0xaa) + && (e_llc->ctl == 0x03) && (((memcmp(e_snap->oui, oui_rfc1042, WLAN_IEEE_OUI_LEN) == 0) && (ethconv == WLAN_ETHCONV_8021h) @@ -406,21 +413,25 @@ int skb_p80211_to_ether(wlandevice_t *wlandev, u32 ethconv, /* chop off the 802.11 CRC */ skb_trim(skb, skb->len - WLAN_CRC_LEN); - } else if ((payload_length >= sizeof(struct wlan_llc) + sizeof(struct wlan_snap)) - && (e_llc->dsap == 0xaa) && (e_llc->ssap == 0xaa) - && (e_llc->ctl == 0x03)) { + } else if ((payload_length >= sizeof(struct wlan_llc) + + sizeof(struct wlan_snap)) + &&(e_llc->dsap == 0xaa) + && (e_llc->ssap == 0xaa) + && (e_llc->ctl == 0x03)) { pr_debug("802.1h/RFC1042 len: %d\n", payload_length); - /* it's an 802.1h frame || (an RFC1042 && protocol is not in STT) */ - /* build a DIXII + RFC894 */ + /* it's an 802.1h frame || (an RFC1042 && protocol not in STT) + build a DIXII + RFC894 */ /* Test for an overlength frame */ - if ((payload_length - sizeof(struct wlan_llc) - sizeof(struct wlan_snap)) - > netdev->mtu) { + if ((payload_length - sizeof(struct wlan_llc) - + sizeof(struct wlan_snap)) + > netdev->mtu) { /* A bogus length ethfrm has been sent. */ /* Is someone trying an oflow attack? */ printk(KERN_ERR "DIXII frame too large (%ld > %d)\n", - (long int)(payload_length - sizeof(struct wlan_llc) - - sizeof(struct wlan_snap)), netdev->mtu); + (long int)(payload_length - + sizeof(struct wlan_llc) - + sizeof(struct wlan_snap)), netdev->mtu); return 1; } |