diff -up psmisc-22.6/src/fuser.c.twoerr psmisc-22.6/src/fuser.c
--- psmisc-22.6/src/fuser.c.twoerr	2010-05-05 13:41:01.000000000 +0200
+++ psmisc-22.6/src/fuser.c	2010-05-05 13:43:01.000000000 +0200
@@ -818,8 +818,8 @@ int main(int argc, char *argv[])
 				break;
 			default: /* FILE */
 				this_name->filename = strdup(argv[optc]);
-					parse_file(this_name, &match_inodes);
-					parse_unixsockets(this_name, &match_inodes, unixsockets);
+					if( parse_file(this_name, &match_inodes) == 0 )
+					    parse_unixsockets(this_name, &match_inodes, unixsockets);
 				if (opts & OPT_MOUNTPOINT || opts & OPT_MOUNTS)
 					parse_mounts(this_name, &match_devices, opts);
 				break;