diff options
Diffstat (limited to 'net/ipv4/devinet.c')
| -rw-r--r-- | net/ipv4/devinet.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index da14c49284f4..8b7dfaf3b6ea 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -58,6 +58,7 @@ #include <net/arp.h> #include <net/ip.h> +#include <net/tcp.h> #include <net/route.h> #include <net/ip_fib.h> #include <net/rtnetlink.h> @@ -635,6 +636,7 @@ int devinet_ioctl(struct net *net, unsigned int cmd, void __user *arg) case SIOCSIFBRDADDR: /* Set the broadcast address */ case SIOCSIFDSTADDR: /* Set the destination address */ case SIOCSIFNETMASK: /* Set the netmask for the interface */ + case SIOCKILLADDR: /* Nuke all sockets on this address */ ret = -EACCES; if (!capable(CAP_NET_ADMIN)) goto out; @@ -686,7 +688,8 @@ int devinet_ioctl(struct net *net, unsigned int cmd, void __user *arg) } ret = -EADDRNOTAVAIL; - if (!ifa && cmd != SIOCSIFADDR && cmd != SIOCSIFFLAGS) + if (!ifa && cmd != SIOCSIFADDR && cmd != SIOCSIFFLAGS + && cmd != SIOCKILLADDR) goto done; switch (cmd) { @@ -811,6 +814,10 @@ int devinet_ioctl(struct net *net, unsigned int cmd, void __user *arg) inet_insert_ifa(ifa); } break; + case SIOCKILLADDR: /* Nuke all connections on this address */ + ret = 0; + tcp_v4_nuke_addr(sin->sin_addr.s_addr); + break; } done: rtnl_unlock(); |