net/sctp: Use pr_fmt and pr_<level>

Change SCTP_DEBUG_PRINTK and SCTP_DEBUG_PRINTK_IPADDR to
use do { print } while (0) guards.
Add SCTP_DEBUG_PRINTK_CONT to fix errors in log when
lines were continued.
Add #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
Add a missing newline in "Failed bind hash alloc"

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 5027b83..f774e65 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -46,6 +46,8 @@
  * be incorporated into the next SCTP release.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/netdevice.h>
@@ -707,8 +709,7 @@
 					   &init_net);
 
 	if (err < 0) {
-		printk(KERN_ERR
-		       "SCTP: Failed to create the SCTP control socket.\n");
+		pr_err("Failed to create the SCTP control socket\n");
 		return err;
 	}
 	return 0;
@@ -1206,7 +1207,7 @@
 					__get_free_pages(GFP_ATOMIC, order);
 	} while (!sctp_assoc_hashtable && --order > 0);
 	if (!sctp_assoc_hashtable) {
-		printk(KERN_ERR "SCTP: Failed association hash alloc.\n");
+		pr_err("Failed association hash alloc\n");
 		status = -ENOMEM;
 		goto err_ahash_alloc;
 	}
@@ -1220,7 +1221,7 @@
 	sctp_ep_hashtable = (struct sctp_hashbucket *)
 		kmalloc(64 * sizeof(struct sctp_hashbucket), GFP_KERNEL);
 	if (!sctp_ep_hashtable) {
-		printk(KERN_ERR "SCTP: Failed endpoint_hash alloc.\n");
+		pr_err("Failed endpoint_hash alloc\n");
 		status = -ENOMEM;
 		goto err_ehash_alloc;
 	}
@@ -1239,7 +1240,7 @@
 					__get_free_pages(GFP_ATOMIC, order);
 	} while (!sctp_port_hashtable && --order > 0);
 	if (!sctp_port_hashtable) {
-		printk(KERN_ERR "SCTP: Failed bind hash alloc.");
+		pr_err("Failed bind hash alloc\n");
 		status = -ENOMEM;
 		goto err_bhash_alloc;
 	}
@@ -1248,8 +1249,7 @@
 		INIT_HLIST_HEAD(&sctp_port_hashtable[i].chain);
 	}
 
-	printk(KERN_INFO "SCTP: Hash tables configured "
-			 "(established %d bind %d)\n",
+	pr_info("Hash tables configured (established %d bind %d)\n",
 		sctp_assoc_hashsize, sctp_port_hashsize);
 
 	/* Disable ADDIP by default. */
@@ -1290,8 +1290,7 @@
 
 	/* Initialize the control inode/socket for handling OOTB packets.  */
 	if ((status = sctp_ctl_sock_init())) {
-		printk (KERN_ERR
-			"SCTP: Failed to initialize the SCTP control sock.\n");
+		pr_err("Failed to initialize the SCTP control sock\n");
 		goto err_ctl_sock_init;
 	}