Revision 51bcf092917bfaa88d762879d0bbfe7619e8c16c authored by Bob Breuer on 02 February 2007, 04:24:35 UTC, committed by David S. Miller on 02 February 2007, 04:24:35 UTC
In some cases such as:
	iph->check = 0;
	iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl);
GCC may optimize out the previous store.

Observed as a failure of NFS over udp (bad checksums on ip fragments)
when compiled with GCC 3.4.2.

Signed-off-by: Bob Breuer <breuerr@mc.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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