Merge illumos revision 13594:

uninitialized variables in zfs(8) may make snapshots undestroyable [1]

References:
https://www.illumos.org/issues/2067 [1]

Obtained from:	illumos (issue #2067)
MFC after:	3 days
This commit is contained in:
Martin Matuska 2012-02-07 18:35:18 +00:00
parent 2d57bb86ed
commit ae5458e1fb
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=231144

View File

@ -590,7 +590,7 @@ 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)
@ -1052,7 +1052,7 @@ destroy_print_cb(zfs_handle_t *zhp, void *arg)
static int
destroy_print_snapshots(zfs_handle_t *fs_zhp, destroy_cbdata_t *cb)
{
int err;
int err = 0;
assert(cb->cb_firstsnap == NULL);
assert(cb->cb_prevsnap == NULL);
err = zfs_iter_snapshots_sorted(fs_zhp, destroy_print_cb, cb);
@ -1130,7 +1130,7 @@ destroy_clones(destroy_cbdata_t *cb)
ZFS_TYPE_SNAPSHOT);
if (zhp != NULL) {
boolean_t defer = cb->cb_defer_destroy;
int err;
int err = 0;
/*
* We can't defer destroy non-snapshots, so set it to
@ -1207,7 +1207,7 @@ zfs_do_destroy(int argc, char **argv)
at = strchr(argv[0], '@');
if (at != NULL) {
int err;
int err = 0;
/* Build the list of snaps to destroy in cb_nvl. */
if (nvlist_alloc(&cb.cb_nvl, NV_UNIQUE_NAME, 0) != 0)
@ -1474,7 +1474,7 @@ 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 };
@ -1711,7 +1711,7 @@ 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;
@ -1917,7 +1917,7 @@ 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 };
char c;
int flags = ZFS_ITER_ARGS_CAN_BE_PATHS;
@ -2206,7 +2206,7 @@ userspace_cb(void *arg, const char *domain, uid_t rid, uint64_t space)
uid_t id;
uint64_t classes;
#ifdef sun
int err;
int err = 0;
directory_error_t e;
#endif
@ -2562,7 +2562,7 @@ zfs_do_userspace(int argc, char **argv)
boolean_t prtnum = B_FALSE;
boolean_t parseable = B_FALSE;
boolean_t sid2posix = B_FALSE;
int error;
int error = 0;
int c;
zfs_sort_column_t *default_sortcol = NULL;
zfs_sort_column_t *sortcol = NULL;
@ -2925,7 +2925,7 @@ 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;
@ -3062,7 +3062,9 @@ zfs_do_rename(int argc, char **argv)
{
zfs_handle_t *zhp;
renameflags_t flags = { 0 };
int c, ret, types;
int c;
int ret = 0;
int types;
boolean_t parents = B_FALSE;
/* check options */
@ -3155,7 +3157,7 @@ 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] == '-') {
@ -3276,7 +3278,7 @@ 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 };
@ -3394,7 +3396,7 @@ 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] == '-') {
@ -3448,7 +3450,7 @@ static int
zfs_do_snapshot(int argc, char **argv)
{
boolean_t recursive = B_FALSE;
int ret;
int ret = 0;
char c;
nvlist_t *props;
@ -5286,7 +5288,7 @@ 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 */
@ -5863,7 +5865,7 @@ 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";
@ -6331,7 +6333,7 @@ manual_mount(int argc, char **argv)
zfs_handle_t *zhp;
char mountpoint[ZFS_MAXPROPLEN];
char mntopts[MNT_LINE_MAX] = { '\0' };
int ret;
int ret = 0;
int c;
int flags = 0;
char *dataset, *path;
@ -6481,7 +6483,7 @@ 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) {
@ -6551,7 +6553,7 @@ zfs_do_diff(int argc, char **argv)
int
main(int argc, char **argv)
{
int ret;
int ret = 0;
int i;
char *progname;
char *cmdname;