diff options
| -rw-r--r-- | include/linux/netdevice.h | 6 | ||||
| -rw-r--r-- | net/core/dev.c | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 82f5a9aba578..9e09dd897b74 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -4108,6 +4108,12 @@ const char *netdev_drivername(const struct net_device *dev); void linkwatch_run_queue(void); +static inline void netdev_features_size_check(void) +{ + BUILD_BUG_ON(sizeof(netdev_features_t) * BITS_PER_BYTE < + NETDEV_FEATURE_COUNT); +} + static inline netdev_features_t netdev_intersect_features(netdev_features_t f1, netdev_features_t f2) { diff --git a/net/core/dev.c b/net/core/dev.c index 25ceecfdd8fe..e01c21a88cae 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -7879,6 +7879,7 @@ int register_netdevice(struct net_device *dev) int ret; struct net *net = dev_net(dev); + netdev_features_size_check(); BUG_ON(dev_boot_phase); ASSERT_RTNL(); |