kern/155940: zfs list /filesystem does not work.

[KOIE Hidetaka]

>Number:         155940
>Category:       kern
>Synopsis:       zfs list /filesystem does not work.
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Mar 26 01:00:23 UTC 2011
>Closed-Date:
>Last-Modified:
>Originator:     KOIE Hidetaka
>Release:        9.0-CURRENT
>Organization:
surigiken
>Environment:
FreeBSD guriandgura 9.0-CURRENT FreeBSD 9.0-CURRENT #0 r219849+1716dd734afd,ver-hg,nice-powerd: Tue Mar 22 08:39:13 JST 2011     root at guriandgura:/usr/obj/usr/src/sys/GURIANDGURA  amd64
>Description:
zfs command does not accept abs path to filesystem.
>How-To-Repeat:
% zfs list tank
NAME   USED  AVAIL  REFER  MOUNTPOINT
tank   579G   721G  28.0K  /tank
% zfs list /tank
% echo $?
1
%
>Fix:
uninitialized variable is referred.


Patch attached with submission follows:

# HG changeset patch
# Parent a0c65997b71068c634e0d1730238aaa72fc1905e
diff --git a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_util.c b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_util.c
--- a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_util.c
+++ b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_util.c
@@ -734,6 +734,7 @@
 	{
 		struct statfs sfs;
 
+		ret = 0; // XXX KOIE
 		if (statfs(path, &sfs) != 0) {
 			(void) fprintf(stderr, "%s: %s\n", path,
 			    strerror(errno));


>Release-Note:
>Audit-Trail:
>Unformatted: