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bgpd: Fix attribute handling for type-5 routes

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When a EVPN type-5 route is formed by using the source IP route's AS-path,
the AS-path is not locally generated and should not be "uninterned" (i.e.,
have its reference count incorrectly updated). An incorrect update of the
reference count can lead to asserts or crashes at a later stage.

Signed-off-by: Vivek Venkatraman <vivek@cumulusnetworks.com>

Ticket: CM-19121
Reviewed By: CCR-7028
Testing Done:
1. Manual testing by Vivek and Anitha
2. No automation run since this area has no coverage yet
This commit is contained in:
vivek 2017-12-08 16:36:27 -08:00 committed by mitesh
parent d445462649
commit 5ee65f6f3e
1 changed files with 2 additions and 1 deletions
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3
bgpd/bgp_evpn.c
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@ -1120,7 +1120,8 @@ static int update_evpn_type5_route(struct bgp *bgp_vrf,
}
/* uninten temporary */
aspath_unintern(&attr.aspath);
if (!src_attr)
aspath_unintern(&attr.aspath);
return 0;
}