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Plug nexthop group refcount leak.

Description

Plug nexthop group refcount leak.
In case with batch route delete via rib_walk_del(), when
some paths from the multipath route gets deleted, old
multipath group were not freed.

PR: 254496
Reported by: Zhenlei Huang <zlei.huang@gmail.com>
Approved by: re (gjb)

(cherry picked from commit 47c00a9835926e96e562c67fa28e4432e99d9c56)

Details

Provenance
melifaroAuthored on Mar 24 2021, 11:51 PM
Parents
R10:3765afa4dacf: Fix panic when destroying interface with ECMP routes.
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