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authorEric Dumazet <eric.dumazet@gmail.com>2011-03-18 00:27:27 +0000
committerDavid S. Miller <davem@davemloft.net>2011-03-18 15:13:12 -0700
commitd870bfb9d366c5d466c0f5419a4ec95a3f71ea8a (patch)
tree1058c527072d026721499e646765da0e92260444 /net/bridge
parent3a7da39d165e0c363c294feec119db1427032afd (diff)
downloadlinux-d870bfb9d366c5d466c0f5419a4ec95a3f71ea8a.tar.bz2
vlan: should take into account needed_headroom
Commit c95b819ad7 (gre: Use needed_headroom) made gre use needed_headroom instead of hard_header_len This uncover a bug in vlan code. We should make sure vlan devices take into account their real_dev->needed_headroom or we risk a crash in ipgre_header(), because we dont have enough room to push IP header in skb. Reported-by: Diddi Oscarsson <diddi@diddi.se> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Patrick McHardy <kaber@trash.net> Cc: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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