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Illumos #2067: uninitialized variables in zfs(1M) may make snapshots undestroyable

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Reviewed by: Joshua M. Clulow <josh@sysmgr.org>
Reviewed by: Milan Jurik <milan.jurik@xylab.cz>
Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com>
Reviewed by: Garrett D'Amore <garrett@damore.org>
Reviewed by: Matt Ahrens <mahrens@delphix.com>
Reviewed by: Steve Gonczi <gonczi@comcast.net>
Approved by: Garrett D'Amore <garrett@damore.org>

References:
	https://www.illumos.org/issues/2067

Ported by: Richard Yao <ryao@cs.stonybrook.edu>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Richard Lowe 2012-04-24 06:51:02 -04:00 committed by Brian Behlendorf
parent 95bcd51ecc
commit ad60af8e1b
1 changed files with 16 additions and 16 deletions
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32
cmd/zfs/zfs_main.c
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@ -572,7 +572,7 @@ zfs_do_clone(int argc, char **argv)
zfs_handle_t *zhp = NULL;
boolean_t parents = B_FALSE;
nvlist_t *props;
int ret;
int ret = 0;
int c;
if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
@ -1058,7 +1058,7 @@ zfs_do_destroy(int argc, char **argv)
* named snapshot may not exist. Go straight to libzfs.
*/
if (cb.cb_recurse && (cp = strchr(argv[0], '@'))) {
int ret;
int ret = 0;
*cp = '\0';
if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET)) == NULL)
@ -1285,7 +1285,7 @@ zfs_do_get(int argc, char **argv)
zprop_get_cbdata_t cb = { 0 };
int i, c, flags = ZFS_ITER_ARGS_CAN_BE_PATHS;
char *value, *fields;
int ret;
int ret = 0;
int limit = 0;
zprop_list_t fake_name = { 0 };
@ -1522,7 +1522,7 @@ zfs_do_inherit(int argc, char **argv)
zfs_prop_t prop;
inherit_cbdata_t cb = { 0 };
char *propname;
int ret;
int ret = 0;
int flags = 0;
boolean_t received = B_FALSE;
@ -1728,7 +1728,7 @@ zfs_do_upgrade(int argc, char **argv)
{
boolean_t all = B_FALSE;
boolean_t showversions = B_FALSE;
int ret;
int ret = 0;
upgrade_cbdata_t cb = { 0 };
signed char c;
int flags = ZFS_ITER_ARGS_CAN_BE_PATHS;
@ -2020,7 +2020,7 @@ userspace_cb(void *arg, const char *domain, uid_t rid, uint64_t space)
char sid[ZFS_MAXNAMELEN+32];
uid_t id;
uint64_t classes;
int err;
int err = 0;
directory_error_t e;
(void) snprintf(sid, sizeof (sid), "%s-%u", domain, rid);
@ -2725,7 +2725,7 @@ zfs_do_list(int argc, char **argv)
list_cbdata_t cb = { 0 };
char *value;
int limit = 0;
int ret;
int ret = 0;
zfs_sort_column_t *sortcol = NULL;
int flags = ZFS_ITER_PROP_LISTSNAPS | ZFS_ITER_ARGS_CAN_BE_PATHS;
@ -2855,7 +2855,7 @@ zfs_do_rename(int argc, char **argv)
{
zfs_handle_t *zhp;
int c;
int ret;
int ret = 0;
boolean_t recurse = B_FALSE;
boolean_t parents = B_FALSE;
@ -2934,7 +2934,7 @@ static int
zfs_do_promote(int argc, char **argv)
{
zfs_handle_t *zhp;
int ret;
int ret = 0;
/* check options */
if (argc > 1 && argv[1][0] == '-') {
@ -3055,7 +3055,7 @@ rollback_check(zfs_handle_t *zhp, void *data)
static int
zfs_do_rollback(int argc, char **argv)
{
int ret;
int ret = 0;
int c;
boolean_t force = B_FALSE;
rollback_cbdata_t cb = { 0 };
@ -3173,7 +3173,7 @@ static int
zfs_do_set(int argc, char **argv)
{
set_cbdata_t cb;
int ret;
int ret = 0;
/* check for options */
if (argc > 1 && argv[1][0] == '-') {
@ -3227,7 +3227,7 @@ static int
zfs_do_snapshot(int argc, char **argv)
{
boolean_t recursive = B_FALSE;
int ret;
int ret = 0;
signed char c;
nvlist_t *props;
@ -5071,7 +5071,7 @@ zfs_do_holds(int argc, char **argv)
holds_cbdata_t cb = { 0 };
int limit = 0;
int ret;
int ret = 0;
int flags = 0;
/* check options */
@ -5647,7 +5647,7 @@ static int
unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual)
{
zfs_handle_t *zhp;
int ret;
int ret = 0;
struct stat64 statbuf;
struct extmnttab entry;
const char *cmdname = (op == OP_SHARE) ? "unshare" : "unmount";
@ -6055,7 +6055,7 @@ zfs_do_diff(int argc, char **argv)
char *tosnap = NULL;
char *fromsnap = NULL;
char *atp, *copy;
int err;
int err = 0;
int c;
while ((c = getopt(argc, argv, "FHt")) != -1) {
@ -6125,7 +6125,7 @@ zfs_do_diff(int argc, char **argv)
int
main(int argc, char **argv)
{
int ret;
int ret = 0;
int i = 0;
char *cmdname;