[TCP] MD5SIG: Kill CONFIG_TCP_MD5SIG_DEBUG.

It just obfuscates the code and adds limited value.  And as Adrian
Bunk noticed, it lacked Kconfig help text too, so just kill it.

Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 1 insertions, 44 deletions

diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index 39e0cb763588..503e7059e312 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -630,9 +630,5 @@ config TCP_MD5SIG
 
           If unsure, say N.
 
-config TCP_MD5SIG_DEBUG
-        bool "TCP: MD5 Signature Option debugging"
-        depends on TCP_MD5SIG
-
 source "net/ipv4/ipvs/Kconfig"
 
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 4913f25e5ad5..dd3509a59fe0 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1017,9 +1017,6 @@ static int tcp_v4_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
         struct scatterlist sg[4];
         __u16 data_len;
         int block = 0;
-#ifdef CONFIG_TCP_MD5SIG_DEBUG
-        int i;
-#endif
         __sum16 old_checksum;
         struct tcp_md5sig_pool *hp;
         struct tcp4_pseudohdr *bp;
@@ -1052,13 +1049,6 @@ static int tcp_v4_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
         sg_set_buf(&sg[block++], bp, sizeof(*bp));
         nbytes += sizeof(*bp);
 
-#ifdef CONFIG_TCP_MD5SIG_DEBUG
-        printk("Calcuating hash for: ");
-        for (i = 0; i < sizeof(*bp); i++)
-                printk("%02x ", (unsigned int)((unsigned char *)bp)[i]);
-        printk(" ");
-#endif
-
         /* 2. the TCP header, excluding options, and assuming a
          * checksum of zero/
          */
@@ -1066,10 +1056,7 @@ static int tcp_v4_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
         th->check = 0;
         sg_set_buf(&sg[block++], th, sizeof(struct tcphdr));
         nbytes += sizeof(struct tcphdr);
-#ifdef CONFIG_TCP_MD5SIG_DEBUG
-        for (i = 0; i < sizeof(struct tcphdr); i++)
-                printk(" %02x", (unsigned int)((unsigned char *)th)[i]);
-#endif
+
         /* 3. the TCP segment data (if any) */
         data_len = tcplen - (th->doff << 2);
         if (data_len > 0) {
@@ -1084,12 +1071,6 @@ static int tcp_v4_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
         sg_set_buf(&sg[block++], key->key, key->keylen);
         nbytes += key->keylen;
 
-#ifdef CONFIG_TCP_MD5SIG_DEBUG
-        printk("  and password: ");
-        for (i = 0; i < key->keylen; i++)
-                printk("%02x ", (unsigned int)key->key[i]);
-#endif
-
         /* Now store the Hash into the packet */
         err = crypto_hash_init(desc);
         if (err)
@@ -1106,12 +1087,6 @@ static int tcp_v4_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
         th->check = old_checksum;
 
 out:
-#ifdef CONFIG_TCP_MD5SIG_DEBUG
-        printk(" result:");
-        for (i = 0; i < 16; i++)
-                printk(" %02x", (unsigned int)(((u8*)md5_hash)[i]));
-        printk("\n");
-#endif
         return 0;
 clear_hash:
         tcp_put_md5sig_pool();
@@ -1241,20 +1216,6 @@ done_opts:
                                NIPQUAD(iph->saddr), ntohs(th->source),
                                NIPQUAD(iph->daddr), ntohs(th->dest),
                                genhash ? " tcp_v4_calc_md5_hash failed" : "");
-#ifdef CONFIG_TCP_MD5SIG_DEBUG
-                        do {
-                                int i;
-                                printk("Received: ");
-                                for (i = 0; i < 16; i++)
-                                        printk("%02x ",
-                                               0xff & (int)hash_location[i]);
-                                printk("\n");
-                                printk("Calculated: ");
-                                for (i = 0; i < 16; i++)
-                                        printk("%02x ", 0xff & (int)newhash[i]);
-                                printk("\n");
-                        } while(0);
-#endif
                 }
                 return 1;
         }