Merge tag 'ieee802154-for-net-2025-01-03' of git://git.kernel.org/pub/scm/linux/kernel/git/wpan/wpan

Stefan Schmidt says:

====================
pull-request: ieee802154 for net 2025-01-03

Keisuke Nishimura provided a fix to check for kfifo_alloc() in the ca8210
driver.

Lizhi Xu provided a fix a corrupted list, found by syzkaller, by checking local
interfaces first.

* tag 'ieee802154-for-net-2025-01-03' of git://git.kernel.org/pub/scm/linux/kernel/git/wpan/wpan:
  mac802154: check local interfaces before deleting sdata list
  ieee802154: ca8210: Add missing check for kfifo_alloc() in ca8210_probe()
====================

Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>

Author: kuba-moo

drivers/net/ieee802154/ca8210.c

@@ -3072,7 +3072,11 @@ static int ca8210_probe(struct spi_device *spi_device)
 	spi_set_drvdata(priv->spi, priv);
 	if (IS_ENABLED(CONFIG_IEEE802154_CA8210_DEBUGFS)) {
 		cascoda_api_upstream = ca8210_test_int_driver_write;
-		ca8210_test_interface_init(priv);
+		ret = ca8210_test_interface_init(priv);
+		if (ret) {
+			dev_crit(&spi_device->dev, "ca8210_test_interface_init failed\n");
+			goto error;
+		}
 	} else {
 		cascoda_api_upstream = NULL;
 	}

net/mac802154/iface.c

@@ -684,6 +684,10 @@ void ieee802154_if_remove(struct ieee802154_sub_if_data *sdata)
 	ASSERT_RTNL();
 
 	mutex_lock(&sdata->local->iflist_mtx);
+	if (list_empty(&sdata->local->interfaces)) {
+		mutex_unlock(&sdata->local->iflist_mtx);
+		return;
+	}
 	list_del_rcu(&sdata->list);
 	mutex_unlock(&sdata->local->iflist_mtx);