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-rw-r--r--net/tipc/name_table.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c
index 1196f05..c2224f9 100644
--- a/net/tipc/name_table.c
+++ b/net/tipc/name_table.c
@@ -268,6 +268,13 @@ static struct publication *tipc_nameseq_insert_publ(struct name_seq *nseq,
}
info = sseq->info;
+
+ /* Check if an identical publication already exists */
+ list_for_each_entry(publ, &info->zone_list, zone_list) {
+ if ((publ->ref == port) && (publ->key == key) &&
+ (!publ->node || (publ->node == node)))
+ return NULL;
+ }
} else {
u32 inspos;
struct sub_seq *freesseq;
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