fix

Signed-off-by: Geliang Tang <[email protected]>
geliangtang · Oct 29, 2024 · b9b0f8d · b9b0f8d
1 parent dff99f2
commit b9b0f8d
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
@@ -1859,7 +1859,10 @@ static int mptcp_pm_nl_dump_addr(struct mptcp_id_bitmap *bitmap,
 	struct pm_nl_pernet *pernet;
 
 	pernet = pm_nl_get_pernet(net);
+
+	spin_lock_bh(&pernet->lock);
 	bitmap_copy(bitmap->map, pernet->id_bitmap.map, MPTCP_PM_MAX_ADDR_ID + 1);
+	spin_unlock_bh(&pernet->lock);
 
 	return 0;
 }
@@ -1883,8 +1886,7 @@ int mptcp_pm_nl_get_addr_dumpit(struct sk_buff *msg,
 	int i;
 
 	id_bitmap = (struct mptcp_id_bitmap *)cb->ctx;
-	if (!id)
-		mptcp_pm_dump_addr(id_bitmap, info);
+	mptcp_pm_dump_addr(id_bitmap, info);
 
 	for (i = id; i < MPTCP_PM_MAX_ADDR_ID + 1; i++) {
 		if (test_bit(i, id_bitmap->map)) {