tipc: fix non-const printf format arguments

Fix warnings from current gcc about using non-const strings as printf
args in TIPC. Compile tested only (not a TIPC user).
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/tipc/bcast.c

@@ -119,7 +119,7 @@ static struct bclink *bclink = NULL;
 static struct link *bcl = NULL;
 static DEFINE_SPINLOCK(bc_lock);
 
-char tipc_bclink_name[] = "multicast-link";
+const char tipc_bclink_name[] = "multicast-link";
 
 
 static u32 buf_seqno(struct sk_buff *buf)
@@ -800,7 +800,7 @@ int tipc_bclink_init(void)
 	tipc_link_set_queue_limits(bcl, BCLINK_WIN_DEFAULT);
 	bcl->b_ptr = &bcbearer->bearer;
 	bcl->state = WORKING_WORKING;
-	sprintf(bcl->name, tipc_bclink_name);
+	strlcpy(bcl->name, tipc_bclink_name, TIPC_MAX_LINK_NAME);
 
 	if (BCLINK_LOG_BUF_SIZE) {
 		char *pb = kmalloc(BCLINK_LOG_BUF_SIZE, GFP_ATOMIC);

net/tipc/bcast.h

@@ -70,7 +70,7 @@ struct port_list {
 
 struct tipc_node;
 
-extern char tipc_bclink_name[];
+extern const char tipc_bclink_name[];
 
 
 /**

net/tipc/dbg.c

@@ -258,7 +258,7 @@ void tipc_printf(struct print_buf *pb, const char *fmt, ...)
 	}
 
 	if (pb->echo)
-		printk(print_string);
+		printk("%s", print_string);
 
 	spin_unlock_bh(&print_lock);
 }

net/tipc/node.c

@@ -703,7 +703,7 @@ struct sk_buff *tipc_node_get_links(const void *req_tlv_area, int req_tlv_space)
 
 	link_info.dest = htonl(tipc_own_addr & 0xfffff00);
 	link_info.up = htonl(1);
-	sprintf(link_info.str, tipc_bclink_name);
+	strlcpy(link_info.str, tipc_bclink_name, TIPC_MAX_LINK_NAME);
 	tipc_cfg_append_tlv(buf, TIPC_TLV_LINK_INFO, &link_info, sizeof(link_info));
 
 	/* Add TLVs for any other links in scope */