redonkable
/
remarkable-linux
1
0
Fork 0
Code Releases Activity

ipv6: judge the accept_ra_defrtr before calling rt6_route_rcv 

when dealing with a RA message, if accept_ra_defrtr is false,
the kernel will not add the default route, and then deal with
the following route information options. Unfortunately, those
options maybe contain default route, so let's judge the
accept_ra_defrtr before calling rt6_route_rcv.

Signed-off-by: Duan Jiong <duanj.fnst@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
wifi-calibration
Duan Jiong 2013-11-26 15:46:56 +08:00 committed by David S. Miller
parent a45299e727
commit 30e56918dd
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
net/ipv6/ndisc.c
View File

@ -1277,6 +1277,9 @@ skip_linkparms:
ri->prefix_len == 0)
continue;
#endif
if (ri->prefix_len == 0 &&
!in6_dev->cnf.accept_ra_defrtr)
continue;
if (ri->prefix_len > in6_dev->cnf.accept_ra_rt_info_max_plen)
continue;
rt6_route_rcv(skb->dev, (u8*)p, (p->nd_opt_len) << 3,