From b4fe201c19a6c398cd821b936572bf418b027467 Mon Sep 17 00:00:00 2001
From: Sergey Kandaurov <pluknet@FreeBSD.org>
Date: Mon, 27 Feb 2012 17:39:34 +0000
Subject: [PATCH] Backout r230934 which didn't work with unix sockets and
 several filesystem layers mounted at the specified path.

Pointy hat to:	pluknet
---
 usr.bin/fstat/fstat.c | 42 ++++++++----------------------------------
 1 file changed, 8 insertions(+), 34 deletions(-)

diff --git a/usr.bin/fstat/fstat.c b/usr.bin/fstat/fstat.c
index 9401ef8ce0e..6014dddc47c 100644
--- a/usr.bin/fstat/fstat.c
+++ b/usr.bin/fstat/fstat.c
@@ -38,7 +38,6 @@ __FBSDID("$FreeBSD$");
 #include <sys/socketvar.h>
 #include <sys/sysctl.h>
 #include <sys/queue.h>
-#include <sys/un.h>
 
 #include <netinet/in.h>
 
@@ -225,53 +224,28 @@ static void
 print_file_info(struct procstat *procstat, struct filestat *fst,
     const char *uname, const char *cmd, int pid)
 {
-	struct sockstat sock;
 	struct vnstat vn;
 	DEVS *d;
 	const char *filename;
 	int error, fsmatch = 0;
 	char errbuf[_POSIX2_LINE_MAX];
 
-	error = 0;
 	filename = NULL;
 	if (checkfile != 0) {
-		switch (fst->fs_type) {
-		case PS_FST_TYPE_VNODE:
-		case PS_FST_TYPE_FIFO:
-			error = procstat_get_vnode_info(procstat, fst, &vn, errbuf);
-			break;
-		case PS_FST_TYPE_SOCKET:
-			error = procstat_get_socket_info(procstat, fst, &sock, errbuf);
-			break;
-		default:
+		if (fst->fs_type != PS_FST_TYPE_VNODE &&
+		    fst->fs_type != PS_FST_TYPE_FIFO)
 			return;
-		}
+		error = procstat_get_vnode_info(procstat, fst, &vn, errbuf);
 		if (error != 0)
 			return;
 
 		for (d = devs; d != NULL; d = d->next)
-			switch (fst->fs_type) {
-			case PS_FST_TYPE_VNODE:
-			case PS_FST_TYPE_FIFO:			
-				if (d->fsid == vn.vn_fsid) {
-					fsmatch = 1;
-					if ((unsigned)d->ino == vn.vn_fileid) {
-						filename = d->name;
-						break;
-					}
+			if (d->fsid == vn.vn_fsid) {
+				fsmatch = 1;
+				if ((unsigned)d->ino == vn.vn_fileid) {
+					filename = d->name;
+					break;
 				}
-				break;
-			case PS_FST_TYPE_SOCKET:
-				if (sock.dom_family == AF_UNIX) {
-					fsmatch = 1;
-					if (strcmp(((struct sockaddr_un *)
-					    (&sock.sa_local))->sun_path,
-					    d->name) == 0) {
-						filename = d->name;
-						break;
-					}
-				}
-				break;
 			}
 		if (fsmatch == 0 || (filename == NULL && fsflg == 0))
 			return;