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/tcp_input.c b/net/ipv4/tcp_input.c
index b5e315f13641..23ca3663d1e8 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3867,9 +3867,9 @@ void tcp_parse_options(const struct sk_buff *skb, struct tcp_options_received *o
                                         opt_rx->wscale_ok = 1;
                                         if (snd_wscale > 14) {
                                                 if (net_ratelimit())
-                                                        printk(KERN_INFO "tcp_parse_options: Illegal window "
-                                                               "scaling value %d >14 received.\n",
-                                                               snd_wscale);
+                                                        pr_info("%s: Illegal window scaling value %d >14 received\n",
+                                                                __func__,
+                                                                snd_wscale);
                                                 snd_wscale = 14;
                                         }
                                         opt_rx->snd_wscale = snd_wscale;
@@ -4191,7 +4191,7 @@ static void tcp_fin(struct sock *sk)
                 /* Only TCP_LISTEN and TCP_CLOSE are left, in these
                  * cases we should never reach this piece of code.
                  */
-                printk(KERN_ERR "%s: Impossible, sk->sk_state=%d\n",
+                pr_err("%s: Impossible, sk->sk_state=%d\n",
                        __func__, sk->sk_state);
                 break;
         }