net: add pf_family_names[] for protocol family

Modify the pr_info content from int to char * in sock_register() and
sock_unregister(), this looks more readable.

Fixed build error in ARCH=sparc64.
Signed-off-by: Yejune Deng <yejune.deng@gmail.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/socket.c

@@ -165,6 +165,54 @@ static const struct file_operations socket_file_ops = {
 	.show_fdinfo =	sock_show_fdinfo,
 };
 
+static const char * const pf_family_names[] = {
+	[PF_UNSPEC]	= "PF_UNSPEC",
+	[PF_UNIX]	= "PF_UNIX/PF_LOCAL",
+	[PF_INET]	= "PF_INET",
+	[PF_AX25]	= "PF_AX25",
+	[PF_IPX]	= "PF_IPX",
+	[PF_APPLETALK]	= "PF_APPLETALK",
+	[PF_NETROM]	= "PF_NETROM",
+	[PF_BRIDGE]	= "PF_BRIDGE",
+	[PF_ATMPVC]	= "PF_ATMPVC",
+	[PF_X25]	= "PF_X25",
+	[PF_INET6]	= "PF_INET6",
+	[PF_ROSE]	= "PF_ROSE",
+	[PF_DECnet]	= "PF_DECnet",
+	[PF_NETBEUI]	= "PF_NETBEUI",
+	[PF_SECURITY]	= "PF_SECURITY",
+	[PF_KEY]	= "PF_KEY",
+	[PF_NETLINK]	= "PF_NETLINK/PF_ROUTE",
+	[PF_PACKET]	= "PF_PACKET",
+	[PF_ASH]	= "PF_ASH",
+	[PF_ECONET]	= "PF_ECONET",
+	[PF_ATMSVC]	= "PF_ATMSVC",
+	[PF_RDS]	= "PF_RDS",
+	[PF_SNA]	= "PF_SNA",
+	[PF_IRDA]	= "PF_IRDA",
+	[PF_PPPOX]	= "PF_PPPOX",
+	[PF_WANPIPE]	= "PF_WANPIPE",
+	[PF_LLC]	= "PF_LLC",
+	[PF_IB]		= "PF_IB",
+	[PF_MPLS]	= "PF_MPLS",
+	[PF_CAN]	= "PF_CAN",
+	[PF_TIPC]	= "PF_TIPC",
+	[PF_BLUETOOTH]	= "PF_BLUETOOTH",
+	[PF_IUCV]	= "PF_IUCV",
+	[PF_RXRPC]	= "PF_RXRPC",
+	[PF_ISDN]	= "PF_ISDN",
+	[PF_PHONET]	= "PF_PHONET",
+	[PF_IEEE802154]	= "PF_IEEE802154",
+	[PF_CAIF]	= "PF_CAIF",
+	[PF_ALG]	= "PF_ALG",
+	[PF_NFC]	= "PF_NFC",
+	[PF_VSOCK]	= "PF_VSOCK",
+	[PF_KCM]	= "PF_KCM",
+	[PF_QIPCRTR]	= "PF_QIPCRTR",
+	[PF_SMC]	= "PF_SMC",
+	[PF_XDP]	= "PF_XDP",
+};
+
 /*
  *	The protocol list. Each protocol is registered in here.
  */
@@ -2975,7 +3023,7 @@ int sock_register(const struct net_proto_family *ops)
 	}
 	spin_unlock(&net_family_lock);
 
-	pr_info("NET: Registered protocol family %d\n", ops->family);
+	pr_info("NET: Registered %s protocol family\n", pf_family_names[ops->family]);
 	return err;
 }
 EXPORT_SYMBOL(sock_register);
@@ -3003,7 +3051,7 @@ void sock_unregister(int family)
 
 	synchronize_rcu();
 
-	pr_info("NET: Unregistered protocol family %d\n", family);
+	pr_info("NET: Unregistered %s protocol family\n", pf_family_names[family]);
 }
 EXPORT_SYMBOL(sock_unregister);