net: esp: Convert NETDEBUG to pr_info

Commit 64ce2073 ("[NET]: Make NETDEBUG pure printk wrappers")
originally had these NETDEBUG printks as always emitting.

Commit a2a316fd ("[NET]: Replace CONFIG_NET_DEBUG with sysctl")
added a net_msg_warn sysctl to these NETDEBUG uses.

Convert these NETDEBUG uses to normal pr_info calls.

This changes the output prefix from "ESP: " to include
"IPSec: " for the ipv4 case and "IPv6: " for the ipv6 case.

These output lines are now like the other messages in the files.

Other miscellanea:

Neaten the arithmetic spacing to be consistent with other
arithmetic spacing in the files.
Signed-off-by: NJoe Perches <joe@perches.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/ipv4/esp4.c

@@ -603,12 +603,12 @@ static int esp_init_authenc(struct xfrm_state *x)
 		BUG_ON(!aalg_desc);
 
 		err = -EINVAL;
-		if (aalg_desc->uinfo.auth.icv_fullbits/8 !=
+		if (aalg_desc->uinfo.auth.icv_fullbits / 8 !=
 		    crypto_aead_authsize(aead)) {
-			NETDEBUG(KERN_INFO "ESP: %s digestsize %u != %hu\n",
+			pr_info("ESP: %s digestsize %u != %hu\n",
 				x->aalg->alg_name,
 				crypto_aead_authsize(aead),
-				 aalg_desc->uinfo.auth.icv_fullbits/8);
+				aalg_desc->uinfo.auth.icv_fullbits / 8);
 			goto free_key;
 		}
 

net/ipv6/esp6.c

@@ -544,12 +544,12 @@ static int esp_init_authenc(struct xfrm_state *x)
 		BUG_ON(!aalg_desc);
 
 		err = -EINVAL;
-		if (aalg_desc->uinfo.auth.icv_fullbits/8 !=
+		if (aalg_desc->uinfo.auth.icv_fullbits / 8 !=
 		    crypto_aead_authsize(aead)) {
-			NETDEBUG(KERN_INFO "ESP: %s digestsize %u != %hu\n",
+			pr_info("ESP: %s digestsize %u != %hu\n",
 				x->aalg->alg_name,
 				crypto_aead_authsize(aead),
-				 aalg_desc->uinfo.auth.icv_fullbits/8);
+				aalg_desc->uinfo.auth.icv_fullbits / 8);
 			goto free_key;
 		}