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Set from even if binfo->extra is NULL.

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bgpd/bgp_packet.c:bgp_update_packet(): When extracting the peer, don't
  fail to extract it because "binfo->extra" is NULL.  While one should
  certainly avoid dereferencing binfo->extra, that's not a good reason
  not to use binfo->peer.

Fixes https://bugzilla.quagga.net/show_bug.cgi?id=497.
Patch by Eric Sobocinksi.
This commit is contained in:
Greg Troxel 2010-09-17 10:47:49 -04:00
parent cf8a831bcb
commit d3ddb22e90
1 changed files with 3 additions and 2 deletions
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5
bgpd/bgp_packet.c
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@ -177,10 +177,11 @@ bgp_update_packet (struct peer *peer, afi_t afi, safi_t safi)
if (rn->prn) if (rn->prn)
prd = (struct prefix_rd *) &rn->prn->p; prd = (struct prefix_rd *) &rn->prn->p;
if (binfo && binfo->extra) if (binfo)
{ {
tag = binfo->extra->tag;
from = binfo->peer; from = binfo->peer;
if (binfo->extra)
tag = binfo->extra->tag;
} }
bgp_packet_set_marker (s, BGP_MSG_UPDATE); bgp_packet_set_marker (s, BGP_MSG_UPDATE);