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6848738976
Signed-off-by: Alina Friedrichsen <x-alina@gmx.net> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21461 3c298f89-4303-0410-b956-a3cf2f4a3e73
19 lines
432 B
Diff
19 lines
432 B
Diff
--- a/net/ipv4/udp.c 2009-12-26 00:06:59.000000000 +0100
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+++ b/net/ipv4/udp.c 2009-12-27 00:27:05.003012266 +0100
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@@ -711,7 +711,14 @@
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skb = skb_recv_datagram(sk, flags, noblock, &err);
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if (!skb)
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goto out;
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-
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+
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+ if (skb->nh.iph->version != 4) {
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+ skb_free_datagram(sk, skb);
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+ if (noblock)
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+ return -EAGAIN;
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+ goto try_again;
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+ }
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+
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copied = skb->len - sizeof(struct udphdr);
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if (copied > len) {
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copied = len;
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