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14 lines
482 B
C
14 lines
482 B
C
--- src/sys/netinet/in_offload.c.orig 2016-08-02 11:51:10 UTC
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+++ src/sys/netinet/in_offload.c
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@@ -210,9 +210,10 @@ ip_undefer_csum(struct mbuf *m, size_t hdrlen, int csu
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if (__predict_true(hdrlen + sizeof(struct ip) <= m->m_len)) {
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struct ip *ip = (struct ip *)(mtod(m, uint8_t *) + hdrlen);
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+ short tmp = ip->ip_sum;
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ip_len = ip->ip_len;
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- csump = &ip->ip_sum;
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+ csump = &tmp;
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} else {
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const size_t ip_len_offset =
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hdrlen + offsetof(struct ip, ip_len);
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