diff options
| author | David S. Miller <davem@davemloft.net> | 2009-03-26 22:45:23 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-03-26 22:45:23 -0700 |
| commit | 01e6de64d9c8d0e75dca3bb4cf898db73abe00d4 (patch) | |
| tree | 925982e6241e5ac47f268bc2c2942ab0f06775cd /net/netfilter/xt_physdev.c | |
| parent | 8f1ead2d1a626ed0c85b3d2c2046a49081d5933f (diff) | |
| parent | d271e8bd8c60ce059ee36d836ba063cfc61c3e21 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6
Diffstat (limited to 'net/netfilter/xt_physdev.c')
| -rw-r--r-- | net/netfilter/xt_physdev.c | 21 |
1 files changed, 2 insertions, 19 deletions
diff --git a/net/netfilter/xt_physdev.c b/net/netfilter/xt_physdev.c index 44a234ef4439..8d28ca5848bc 100644 --- a/net/netfilter/xt_physdev.c +++ b/net/netfilter/xt_physdev.c @@ -20,23 +20,6 @@ MODULE_DESCRIPTION("Xtables: Bridge physical device match"); MODULE_ALIAS("ipt_physdev"); MODULE_ALIAS("ip6t_physdev"); -static unsigned long ifname_compare(const char *_a, const char *_b, const char *_mask) -{ - const unsigned long *a = (const unsigned long *)_a; - const unsigned long *b = (const unsigned long *)_b; - const unsigned long *mask = (const unsigned long *)_mask; - unsigned long ret; - - ret = (a[0] ^ b[0]) & mask[0]; - if (IFNAMSIZ > sizeof(unsigned long)) - ret |= (a[1] ^ b[1]) & mask[1]; - if (IFNAMSIZ > 2 * sizeof(unsigned long)) - ret |= (a[2] ^ b[2]) & mask[2]; - if (IFNAMSIZ > 3 * sizeof(unsigned long)) - ret |= (a[3] ^ b[3]) & mask[3]; - BUILD_BUG_ON(IFNAMSIZ > 4 * sizeof(unsigned long)); - return ret; -} static bool physdev_mt(const struct sk_buff *skb, const struct xt_match_param *par) @@ -85,7 +68,7 @@ physdev_mt(const struct sk_buff *skb, const struct xt_match_param *par) if (!(info->bitmask & XT_PHYSDEV_OP_IN)) goto match_outdev; indev = nf_bridge->physindev ? nf_bridge->physindev->name : nulldevname; - ret = ifname_compare(indev, info->physindev, info->in_mask); + ret = ifname_compare_aligned(indev, info->physindev, info->in_mask); if (!ret ^ !(info->invert & XT_PHYSDEV_OP_IN)) return false; @@ -95,7 +78,7 @@ match_outdev: return true; outdev = nf_bridge->physoutdev ? nf_bridge->physoutdev->name : nulldevname; - ret = ifname_compare(outdev, info->physoutdev, info->out_mask); + ret = ifname_compare_aligned(outdev, info->physoutdev, info->out_mask); return (!!ret ^ !(info->invert & XT_PHYSDEV_OP_OUT)); } |