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-rw-r--r--net/tipc/name_table.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c
index 4455f13cfaf..096f7bd240a 100644
--- a/net/tipc/name_table.c
+++ b/net/tipc/name_table.c
@@ -74,7 +74,7 @@ struct sub_seq {
* @first_free: array index of first unused sub-sequence entry
* @ns_list: links to adjacent name sequences in hash chain
* @subscriptions: list of subscriptions for this 'type'
- * @lock: spinlock controlling access to name sequence structure
+ * @lock: spinlock controlling access to publication lists of all sub-sequences
*/
struct name_seq {
@@ -918,7 +918,9 @@ static void nameseq_list(struct name_seq *seq, struct print_buf *buf, u32 depth,
for (sseq = seq->sseqs; sseq != &seq->sseqs[seq->first_free]; sseq++) {
if ((lowbound <= sseq->upper) && (upbound >= sseq->lower)) {
tipc_printf(buf, "%s ", typearea);
+ spin_lock_bh(&seq->lock);
subseq_list(sseq, buf, depth, index);
+ spin_unlock_bh(&seq->lock);
sprintf(typearea, "%10s", " ");
}
}