Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753999Ab2EIE6Q (ORCPT ); Wed, 9 May 2012 00:58:16 -0400 Received: from perches-mx.perches.com ([206.117.179.246]:44122 "EHLO labridge.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751968Ab2EIE5v (ORCPT ); Wed, 9 May 2012 00:57:51 -0400 From: Joe Perches To: "David S. Miller" , Patrick McHardy Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 03/13] 8021q: Convert compare_ether_addr to ether_addr_equal Date: Tue, 8 May 2012 21:56:47 -0700 Message-Id: <8167269651fa71407be1938157a7db7f0451bc5f.1336538938.git.joe@perches.com> X-Mailer: git-send-email 1.7.8.111.gad25c.dirty In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4723 Lines: 154 Use the new bool function ether_addr_equal to add some clarity and reduce the likelihood for misuse of compare_ether_addr for sorting. Done via cocci script: $ cat compare_ether_addr.cocci @@ expression a,b; @@ - !compare_ether_addr(a, b) + ether_addr_equal(a, b) @@ expression a,b; @@ - compare_ether_addr(a, b) + !ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) == 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) != 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) == 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) != 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !!ether_addr_equal(a, b) + ether_addr_equal(a, b) Signed-off-by: Joe Perches --- net/8021q/vlan.c | 10 +++++----- net/8021q/vlan_core.c | 3 +-- net/8021q/vlan_dev.c | 10 +++++----- 3 files changed, 11 insertions(+), 12 deletions(-) diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index efea35b..6089f0c 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -266,19 +266,19 @@ static void vlan_sync_address(struct net_device *dev, struct vlan_dev_priv *vlan = vlan_dev_priv(vlandev); /* May be called without an actual change */ - if (!compare_ether_addr(vlan->real_dev_addr, dev->dev_addr)) + if (ether_addr_equal(vlan->real_dev_addr, dev->dev_addr)) return; /* vlan address was different from the old address and is equal to * the new address */ - if (compare_ether_addr(vlandev->dev_addr, vlan->real_dev_addr) && - !compare_ether_addr(vlandev->dev_addr, dev->dev_addr)) + if (!ether_addr_equal(vlandev->dev_addr, vlan->real_dev_addr) && + ether_addr_equal(vlandev->dev_addr, dev->dev_addr)) dev_uc_del(dev, vlandev->dev_addr); /* vlan address was equal to the old address and is different from * the new address */ - if (!compare_ether_addr(vlandev->dev_addr, vlan->real_dev_addr) && - compare_ether_addr(vlandev->dev_addr, dev->dev_addr)) + if (ether_addr_equal(vlandev->dev_addr, vlan->real_dev_addr) && + !ether_addr_equal(vlandev->dev_addr, dev->dev_addr)) dev_uc_add(dev, vlandev->dev_addr); memcpy(vlan->real_dev_addr, dev->dev_addr, ETH_ALEN); diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c index 4d39d80..8ca533c 100644 --- a/net/8021q/vlan_core.c +++ b/net/8021q/vlan_core.c @@ -31,8 +31,7 @@ bool vlan_do_receive(struct sk_buff **skbp, bool last_handler) /* Our lower layer thinks this is not local, let's make sure. * This allows the VLAN to have a different MAC than the * underlying device, and still route correctly. */ - if (!compare_ether_addr(eth_hdr(skb)->h_dest, - vlan_dev->dev_addr)) + if (ether_addr_equal(eth_hdr(skb)->h_dest, vlan_dev->dev_addr)) skb->pkt_type = PACKET_HOST; } diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index 9988d4a..eaf5f21 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -277,7 +277,7 @@ static int vlan_dev_open(struct net_device *dev) !(vlan->flags & VLAN_FLAG_LOOSE_BINDING)) return -ENETDOWN; - if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr)) { + if (!ether_addr_equal(dev->dev_addr, real_dev->dev_addr)) { err = dev_uc_add(real_dev, dev->dev_addr); if (err < 0) goto out; @@ -307,7 +307,7 @@ clear_allmulti: if (dev->flags & IFF_ALLMULTI) dev_set_allmulti(real_dev, -1); del_unicast: - if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr)) + if (!ether_addr_equal(dev->dev_addr, real_dev->dev_addr)) dev_uc_del(real_dev, dev->dev_addr); out: netif_carrier_off(dev); @@ -326,7 +326,7 @@ static int vlan_dev_stop(struct net_device *dev) if (dev->flags & IFF_PROMISC) dev_set_promiscuity(real_dev, -1); - if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr)) + if (!ether_addr_equal(dev->dev_addr, real_dev->dev_addr)) dev_uc_del(real_dev, dev->dev_addr); netif_carrier_off(dev); @@ -345,13 +345,13 @@ static int vlan_dev_set_mac_address(struct net_device *dev, void *p) if (!(dev->flags & IFF_UP)) goto out; - if (compare_ether_addr(addr->sa_data, real_dev->dev_addr)) { + if (!ether_addr_equal(addr->sa_data, real_dev->dev_addr)) { err = dev_uc_add(real_dev, addr->sa_data); if (err < 0) return err; } - if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr)) + if (!ether_addr_equal(dev->dev_addr, real_dev->dev_addr)) dev_uc_del(real_dev, dev->dev_addr); out: -- 1.7.8.111.gad25c.dirty -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/