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ospf6d: Fix crash in prefix-list handling

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Commit 427f8e61bb introduced prefix list callbacks
to handle when a prefix list is changed.  Unfortunately
if you have ospf6 running but not configured it crashes.

Modify ospf6d to not crash when we are not properly configured
yet for prefix-lists handling.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2017-09-13 09:46:28 -04:00
parent e775854d9c
commit e017797b3b
1 changed files with 3 additions and 0 deletions
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3
ospf6d/ospf6_area.c
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@ -642,6 +642,9 @@ void ospf6_area_plist_update(struct prefix_list *plist, int add)
struct listnode *n;
const char *name = prefix_list_name(plist);
if (!ospf6)
return;
for (ALL_LIST_ELEMENTS_RO(ospf6->area_list, n, oa)) {
if (PREFIX_NAME_IN(oa) && !strcmp(PREFIX_NAME_IN(oa), name))
PREFIX_LIST_IN(oa) = add ? plist : NULL;