net: Convert printks to pr_<level>

Use a more current kernel messaging style.

Convert a printk block to print_hex_dump.
Coalesce formats, align arguments.
Use %s, __func__ instead of embedding function names.

Some messages that were prefixed with <foo>_close are
now prefixed with <foo>_fini.  Some ah4 and esp messages
are now not prefixed with "ip ".

The intent of this patch is to later add something like
  #define pr_fmt(fmt) "IPv4: " fmt.
to standardize the output messages.

Text size is trivially reduced. (x86-32 allyesconfig)

$ size net/ipv4/built-in.o*
   text	   data	    bss	    dec	    hex	filename
 887888	  31558	 249696	1169142	 11d6f6	net/ipv4/built-in.o.new
 887934	  31558	 249800	1169292	 11d78c	net/ipv4/built-in.o.old

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 4 deletions

diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index a5b413416da3..0a86dbe9454b 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -706,11 +706,11 @@ static const struct net_protocol esp4_protocol = {
 static int __init esp4_init(void)
 {
 	if (xfrm_register_type(&esp_type, AF_INET) < 0) {
-		printk(KERN_INFO "ip esp init: can't add xfrm type\n");
+		pr_info("%s: can't add xfrm type\n", __func__);
 		return -EAGAIN;
 	}
 	if (inet_add_protocol(&esp4_protocol, IPPROTO_ESP) < 0) {
-		printk(KERN_INFO "ip esp init: can't add protocol\n");
+		pr_info("%s: can't add protocol\n", __func__);
 		xfrm_unregister_type(&esp_type, AF_INET);
 		return -EAGAIN;
 	}
@@ -720,9 +720,9 @@ static int __init esp4_init(void)
 static void __exit esp4_fini(void)
 {
 	if (inet_del_protocol(&esp4_protocol, IPPROTO_ESP) < 0)
-		printk(KERN_INFO "ip esp close: can't remove protocol\n");
+		pr_info("%s: can't remove protocol\n", __func__);
 	if (xfrm_unregister_type(&esp_type, AF_INET) < 0)
-		printk(KERN_INFO "ip esp close: can't remove xfrm type\n");
+		pr_info("%s: can't remove xfrm type\n", __func__);
 }
 
 module_init(esp4_init);