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[ipv6] Handle IPv6 option length correctly 

The IPv6 option length field represents the length of the option data
field, not the overall length of the option.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
pull/15/head
Michael Brown 2013-10-23 13:05:23 +01:00
parent 0780bccb68
commit 595e32d7ab
1 changed files with 1 additions and 1 deletions
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2
src/net/ipv6.c
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@ -250,7 +250,7 @@ static int ipv6_check_options ( struct ipv6_header *iphdr,
if ( option->type == IPV6_OPT_PAD1 ) { if ( option->type == IPV6_OPT_PAD1 ) {
option = ( ( ( void * ) option ) + 1 ); option = ( ( ( void * ) option ) + 1 );
} else { } else {
option = ( ( ( void * ) option ) + option->len ); option = ( ( ( void * ) option->value ) + option->len );
} }
} }
return 0; return 0;