ipv4: mark expected switch fall-throughs

[mirror_ubuntu-bionic-kernel.git] / net / ipv4 / devinet.c

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 6d9b072d903b011f94d0226264a4edadd9a60eb0..e1e2ec0525e6bcf75c552c05843856dfda266d13 100644 (file)
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1522,6 +1522,7 @@ static int inetdev_event(struct notifier_block *this, unsigned long event,
                if (inetdev_valid_mtu(dev->mtu))
                        break;
                /* disable IP when MTU is not enough */
+               /* fall through */
        case NETDEV_UNREGISTER:
                inetdev_destroy(in_dev);
                break;