isisd: prevent from accessing a non initialised pointer

When using bfd on a single level, one may access a null pointer
list. Prevent from using it.

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
This commit is contained in:
Philippe Guibert 2022-03-31 11:18:45 +02:00
parent 4037154240
commit a514ac486a

View File

@ -168,6 +168,8 @@ void isis_bfd_circuit_cmd(struct isis_circuit *circuit)
struct listnode *node;
struct isis_adjacency *adj;
if (!adjdb)
continue;
for (ALL_LIST_ELEMENTS_RO(adjdb, node, adj))
bfd_adj_cmd(adj);
}