From d3f4a687f683f536506d0aa6b22e6cb3e79639ce Mon Sep 17 00:00:00 2001 From: Kris Katterjohn Date: Mon, 9 Jan 2006 16:01:43 -0800 Subject: [PATCH] [NET]: Change memcmp(,,ETH_ALEN) to compare_ether_addr() This changes some memcmp(one,two,ETH_ALEN) to compare_ether_addr(one,two). Signed-off-by: Kris Katterjohn Signed-off-by: David S. Miller --- net/8021q/vlan_dev.c | 2 +- net/atm/br2684.c | 4 ++-- net/atm/lec.c | 6 +++--- net/atm/mpc.c | 2 +- net/bluetooth/bnep/core.c | 6 +++--- net/bridge/netfilter/ebt_stp.c | 4 ++-- net/core/dv.c | 2 +- net/core/wireless.c | 2 +- net/ieee80211/ieee80211_rx.c | 14 +++++++------- net/ipv4/netfilter/ipt_mac.c | 5 +++-- net/ipv6/netfilter/ip6t_mac.c | 4 ++-- 11 files changed, 26 insertions(+), 25 deletions(-) diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index f2a8750bbf1d..0f604d227da2 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -214,7 +214,7 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev, * This allows the VLAN to have a different MAC than the underlying * device, and still route correctly. */ - if (memcmp(eth_hdr(skb)->h_dest, skb->dev->dev_addr, ETH_ALEN) == 0) { + if (!compare_ether_addr(eth_hdr(skb)->h_dest, skb->dev->dev_addr)) { /* It is for our (changed) MAC-address! */ skb->pkt_type = PACKET_HOST; } diff --git a/net/atm/br2684.c b/net/atm/br2684.c index bdb4d89730d2..1dafa9c108a7 100644 --- a/net/atm/br2684.c +++ b/net/atm/br2684.c @@ -296,13 +296,13 @@ static inline __be16 br_type_trans(struct sk_buff *skb, struct net_device *dev) eth = eth_hdr(skb); if (is_multicast_ether_addr(eth->h_dest)) { - if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0) + if (!compare_ether_addr(eth->h_dest, dev->broadcast)) skb->pkt_type = PACKET_BROADCAST; else skb->pkt_type = PACKET_MULTICAST; } - else if (memcmp(eth->h_dest, dev->dev_addr, ETH_ALEN)) + else if (compare_ether_addr(eth->h_dest, dev->dev_addr)) skb->pkt_type = PACKET_OTHERHOST; if (ntohs(eth->h_proto) >= 1536) diff --git a/net/atm/lec.c b/net/atm/lec.c index ad840b9afba8..eea051338498 100644 --- a/net/atm/lec.c +++ b/net/atm/lec.c @@ -1321,7 +1321,7 @@ static int lane2_associate_req (struct net_device *dev, u8 *lan_dst, struct sk_buff *skb; struct lec_priv *priv = (struct lec_priv*)dev->priv; - if ( memcmp(lan_dst, dev->dev_addr, ETH_ALEN) != 0 ) + if (compare_ether_addr(lan_dst, dev->dev_addr)) return (0); /* not our mac address */ kfree(priv->tlvs); /* NULL if there was no previous association */ @@ -1798,7 +1798,7 @@ lec_arp_find(struct lec_priv *priv, to_return = priv->lec_arp_tables[place]; while(to_return) { - if (memcmp(mac_addr, to_return->mac_addr, ETH_ALEN) == 0) { + if (!compare_ether_addr(mac_addr, to_return->mac_addr)) { return to_return; } to_return = to_return->next; @@ -2002,7 +2002,7 @@ lec_arp_resolve(struct lec_priv *priv, unsigned char *mac_to_find, return priv->mcast_vcc; break; case 2: /* LANE2 wants arp for multicast addresses */ - if ( memcmp(mac_to_find, bus_mac, ETH_ALEN) == 0) + if (!compare_ether_addr(mac_to_find, bus_mac)) return priv->mcast_vcc; break; default: diff --git a/net/atm/mpc.c b/net/atm/mpc.c index 526d9531411f..36b7ae360232 100644 --- a/net/atm/mpc.c +++ b/net/atm/mpc.c @@ -552,7 +552,7 @@ static int mpc_send_packet(struct sk_buff *skb, struct net_device *dev) goto non_ip; /* Multi-Protocol Over ATM :-) */ while (i < mpc->number_of_mps_macs) { - if (memcmp(eth->h_dest, (mpc->mps_macs + i*ETH_ALEN), ETH_ALEN) == 0) + if (!compare_ether_addr(eth->h_dest, (mpc->mps_macs + i*ETH_ALEN))) if ( send_via_shortcut(skb, mpc) == 0 ) /* try shortcut */ return 0; /* success! */ i++; diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c index 682bf20af52d..cbb20c32a6c8 100644 --- a/net/bluetooth/bnep/core.c +++ b/net/bluetooth/bnep/core.c @@ -75,7 +75,7 @@ static struct bnep_session *__bnep_get_session(u8 *dst) list_for_each(p, &bnep_session_list) { s = list_entry(p, struct bnep_session, list); - if (!memcmp(dst, s->eh.h_source, ETH_ALEN)) + if (!compare_ether_addr(dst, s->eh.h_source)) return s; } return NULL; @@ -420,10 +420,10 @@ static inline int bnep_tx_frame(struct bnep_session *s, struct sk_buff *skb) iv[il++] = (struct kvec) { &type, 1 }; len++; - if (!memcmp(eh->h_dest, s->eh.h_source, ETH_ALEN)) + if (!compare_ether_addr(eh->h_dest, s->eh.h_source)) type |= 0x01; - if (!memcmp(eh->h_source, s->eh.h_dest, ETH_ALEN)) + if (!compare_ether_addr(eh->h_source, s->eh.h_dest)) type |= 0x02; if (type) diff --git a/net/bridge/netfilter/ebt_stp.c b/net/bridge/netfilter/ebt_stp.c index f8a8cdec16ee..9d2ef4ffe276 100644 --- a/net/bridge/netfilter/ebt_stp.c +++ b/net/bridge/netfilter/ebt_stp.c @@ -164,8 +164,8 @@ static int ebt_stp_check(const char *tablename, unsigned int hookmask, if (datalen != len) return -EINVAL; /* Make sure the match only receives stp frames */ - if (memcmp(e->destmac, bridge_ula, ETH_ALEN) || - memcmp(e->destmsk, msk, ETH_ALEN) || !(e->bitmask & EBT_DESTMAC)) + if (compare_ether_addr(e->destmac, bridge_ula) || + compare_ether_addr(e->destmsk, msk) || !(e->bitmask & EBT_DESTMAC)) return -EINVAL; return 0; diff --git a/net/core/dv.c b/net/core/dv.c index 3f25f4aa4e66..c5deb3655257 100644 --- a/net/core/dv.c +++ b/net/core/dv.c @@ -457,7 +457,7 @@ void divert_frame(struct sk_buff *skb) unsigned char *skb_data_end = skb->data + skb->len; /* Packet is already aimed at us, return */ - if (!memcmp(eth, skb->dev->dev_addr, ETH_ALEN)) + if (!compare_ether_addr(eth, skb->dev->dev_addr)) return; /* proto is not IP, do nothing */ diff --git a/net/core/wireless.c b/net/core/wireless.c index 271ddb35b0b2..f88b0affb3b9 100644 --- a/net/core/wireless.c +++ b/net/core/wireless.c @@ -1506,7 +1506,7 @@ void wireless_spy_update(struct net_device * dev, /* Update all records that match */ for(i = 0; i < spydata->spy_number; i++) - if(!memcmp(address, spydata->spy_address[i], ETH_ALEN)) { + if(!compare_ether_addr(address, spydata->spy_address[i])) { memcpy(&(spydata->spy_stat[i]), wstats, sizeof(struct iw_quality)); match = i; diff --git a/net/ieee80211/ieee80211_rx.c b/net/ieee80211/ieee80211_rx.c index 4cc6f41c6930..5e3380388046 100644 --- a/net/ieee80211/ieee80211_rx.c +++ b/net/ieee80211/ieee80211_rx.c @@ -76,8 +76,8 @@ static struct ieee80211_frag_entry *ieee80211_frag_cache_find(struct if (entry->skb != NULL && entry->seq == seq && (entry->last_frag + 1 == frag || frag == -1) && - memcmp(entry->src_addr, src, ETH_ALEN) == 0 && - memcmp(entry->dst_addr, dst, ETH_ALEN) == 0) + !compare_ether_addr(entry->src_addr, src) && + !compare_ether_addr(entry->dst_addr, dst)) return entry; } @@ -243,12 +243,12 @@ static int ieee80211_is_eapol_frame(struct ieee80211_device *ieee, /* check that the frame is unicast frame to us */ if ((fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) == IEEE80211_FCTL_TODS && - memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN) == 0 && - memcmp(hdr->addr3, dev->dev_addr, ETH_ALEN) == 0) { + !compare_ether_addr(hdr->addr1, dev->dev_addr) && + !compare_ether_addr(hdr->addr3, dev->dev_addr)) { /* ToDS frame with own addr BSSID and DA */ } else if ((fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) == IEEE80211_FCTL_FROMDS && - memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN) == 0) { + !compare_ether_addr(hdr->addr1, dev->dev_addr)) { /* FromDS frame with own addr as DA */ } else return 0; @@ -505,7 +505,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb, if (ieee->iw_mode == IW_MODE_MASTER && !wds && (fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) == IEEE80211_FCTL_FROMDS && ieee->stadev - && memcmp(hdr->addr2, ieee->assoc_ap_addr, ETH_ALEN) == 0) { + && !compare_ether_addr(hdr->addr2, ieee->assoc_ap_addr)) { /* Frame from BSSID of the AP for which we are a client */ skb->dev = dev = ieee->stadev; stats = hostap_get_stats(dev); @@ -1231,7 +1231,7 @@ static inline int is_same_network(struct ieee80211_network *src, * as one network */ return ((src->ssid_len == dst->ssid_len) && (src->channel == dst->channel) && - !memcmp(src->bssid, dst->bssid, ETH_ALEN) && + !compare_ether_addr(src->bssid, dst->bssid) && !memcmp(src->ssid, dst->ssid, src->ssid_len)); } diff --git a/net/ipv4/netfilter/ipt_mac.c b/net/ipv4/netfilter/ipt_mac.c index 11a459e33f25..1b9bb4559f80 100644 --- a/net/ipv4/netfilter/ipt_mac.c +++ b/net/ipv4/netfilter/ipt_mac.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #include @@ -33,8 +34,8 @@ match(const struct sk_buff *skb, return (skb->mac.raw >= skb->head && (skb->mac.raw + ETH_HLEN) <= skb->data /* If so, compare... */ - && ((memcmp(eth_hdr(skb)->h_source, info->srcaddr, ETH_ALEN) - == 0) ^ info->invert)); + && ((!compare_ether_addr(eth_hdr(skb)->h_source, info->srcaddr)) + ^ info->invert)); } static int diff --git a/net/ipv6/netfilter/ip6t_mac.c b/net/ipv6/netfilter/ip6t_mac.c index 526d43e37234..ae0b09291d17 100644 --- a/net/ipv6/netfilter/ip6t_mac.c +++ b/net/ipv6/netfilter/ip6t_mac.c @@ -34,8 +34,8 @@ match(const struct sk_buff *skb, return (skb->mac.raw >= skb->head && (skb->mac.raw + ETH_HLEN) <= skb->data /* If so, compare... */ - && ((memcmp(eth_hdr(skb)->h_source, info->srcaddr, ETH_ALEN) - == 0) ^ info->invert)); + && ((!compare_ether_addr(eth_hdr(skb)->h_source, info->srcaddr)) + ^ info->invert)); } static int -- 2.20.1