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zebra: zevpn cannot be null passed into zebra_evpn_es_evi_show_one_evpn

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In zebra_evpn_es_evi_show_vni the zevpn pointer if passed into
zebra_evpn_es_evi_show_one_evi will crash if it is null and
we have code that checks that it is non null and then immediately
calls the function.  Add a return to prevent a crash.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2020-08-15 13:41:18 -04:00 committed by Donald Sharp
parent bc3cd39bc4
commit ba49e033f5
1 changed files with 2 additions and 0 deletions
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zebra/zebra_evpn_mh.c
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@ -358,6 +358,8 @@ void zebra_evpn_es_evi_show_vni(struct vty *vty, bool uj, vni_t vni, int detail)
} else {
if (!uj)
vty_out(vty, "VNI %d doesn't exist\n", vni);
return;
}
zebra_evpn_es_evi_show_one_evpn(zevpn, vty, json, detail);
}