../net/8021q/vlan.c: In function ‘register_vlan_device’:
../net/8021q/vlan.c:247:46: warning: ‘%i’ directive output may be truncated writing between 1 and 4 bytes into a region of size between 0 and 15 [-Wformat-truncation=]
  247 |                 snprintf(name, IFNAMSIZ, "%s.%i", real_dev->name, vlan_id);
      |                                              ^~
../net/8021q/vlan.c:247:42: note: directive argument in the range [0, 4094]
  247 |                 snprintf(name, IFNAMSIZ, "%s.%i", real_dev->name, vlan_id);
      |                                          ^~~~~~~
../net/8021q/vlan.c:247:17: note: ‘snprintf’ output between 3 and 21 bytes into a destination of size 16
  247 |                 snprintf(name, IFNAMSIZ, "%s.%i", real_dev->name, vlan_id);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../net/8021q/vlan.c:235:46: warning: ‘%.4i’ directive output may be truncated writing 4 bytes into a region of size between 0 and 15 [-Wformat-truncation=]
  235 |                 snprintf(name, IFNAMSIZ, "%s.%.4i", real_dev->name, vlan_id);
      |                                              ^~~~
../net/8021q/vlan.c:235:42: note: directive argument in the range [0, 4094]
  235 |                 snprintf(name, IFNAMSIZ, "%s.%.4i", real_dev->name, vlan_id);
      |                                          ^~~~~~~~~
../net/8021q/vlan.c:235:17: note: ‘snprintf’ output between 6 and 21 bytes into a destination of size 16
  235 |                 snprintf(name, IFNAMSIZ, "%s.%.4i", real_dev->name, vlan_id);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../net/mptcp/pm_netlink.c:642:31: warning: context imbalance in 'mptcp_pm_create_subflow_or_signal_addr' - unexpected unlock
../net/mptcp/pm_netlink.c:759:23: warning: context imbalance in 'mptcp_pm_nl_add_addr_received' - unexpected unlock
../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?
../net/mptcp/pm_netlink.c:642:31: warning: context imbalance in 'mptcp_pm_create_subflow_or_signal_addr' - unexpected unlock
../net/mptcp/pm_netlink.c:759:23: warning: context imbalance in 'mptcp_pm_nl_add_addr_received' - unexpected unlock
../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?
../net/mptcp/pm_netlink.c:642:31: warning: context imbalance in 'mptcp_pm_create_subflow_or_signal_addr' - unexpected unlock
../net/mptcp/pm_netlink.c:759:23: warning: context imbalance in 'mptcp_pm_nl_add_addr_received' - unexpected unlock
../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?