inet: Improve messaging in can_dump_inet_sk error paths

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

sk-inet.c

@@ -93,13 +93,15 @@ static int can_dump_inet_sk(const struct inet_sk_desc *sk, int proto)
 	BUG_ON((sk->sd.family != AF_INET) && (sk->sd.family != AF_INET6));
 
 	if (sk->shutdown) {
-		pr_err("Can't dump shutdown inet socket\n");
+		pr_err("Can't dump shutdown inet socket %x\n",
+				sk->sd.ino);
 		return 0;
 	}
 
 	if (sk->type == SOCK_DGRAM) {
 		if (sk->wqlen != 0) {
-			pr_err("Can't dump corked dgram socket\n");
+			pr_err("Can't dump corked dgram socket %x\n",
+					sk->sd.ino);
 			return 0;
 		}
 
@@ -111,7 +113,9 @@ static int can_dump_inet_sk(const struct inet_sk_desc *sk, int proto)
 	}
 
 	if (sk->type != SOCK_STREAM) {
-		pr_err("Only stream and dgram inet sockets for now\n");
+		pr_err("Can't dump %d inet socket %x. "
+				"Only can stream and dgram.\n",
+				sk->type, sk->sd.ino);
 		return 0;
 	}
 
@@ -123,7 +127,8 @@ static int can_dump_inet_sk(const struct inet_sk_desc *sk, int proto)
 			 * requests for listen sockets. Need to pick
 			 * those up and fix the connect job respectively
 			 */
-			pr_err("In-flight connection (l)\n");
+			pr_err("In-flight connection (l) for %x\n",
+					sk->sd.ino);
 			return 0;
 		}
 		break;
@@ -138,7 +143,7 @@ static int can_dump_inet_sk(const struct inet_sk_desc *sk, int proto)
 		/* Trivial case, we just need to create a socket on restore */
 		break;
 	default:
-		pr_err("Unknown state %d\n", sk->state);
+		pr_err("Unknown inet socket %x state %d\n", sk->sd.ino, sk->state);
 		return 0;
 	}
 
@@ -150,7 +155,7 @@ static int can_dump_inet_sk(const struct inet_sk_desc *sk, int proto)
 	case IPPROTO_UDPLITE:
 		break;
 	default:
-		pr_err("Unsupported socket proto %d\n", proto);
+		pr_err("Unsupported proto %d for socket %x\n", proto, sk->sd.ino);
 		return 0;
 	}