From c02b4f80f6e7e426b3cf99c561ba2f7ca3e9bb03 Mon Sep 17 00:00:00 2001 From: mm Date: Fri, 10 Feb 2012 13:35:49 +0000 Subject: [PATCH 073/175] MFC r231144: 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) PR: bin/164802 git-svn-id: http://svn.freebsd.org/base/stable/9@231381 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f (cherry picked from commit 02ccdad876e8a4a8750582019b4b29f29bdc049b) Signed-off-by: Xin Li --- cddl/contrib/opensolaris/cmd/zfs/zfs_main.c | 42 ++++++++++++++------------- 1 file changed, 22 insertions(+), 20 deletions(-) diff --git a/cddl/contrib/opensolaris/cmd/zfs/zfs_main.c b/cddl/contrib/opensolaris/cmd/zfs/zfs_main.c index 1a21be4..47abaeb 100644 --- a/cddl/contrib/opensolaris/cmd/zfs/zfs_main.c +++ b/cddl/contrib/opensolaris/cmd/zfs/zfs_main.c @@ -589,7 +589,7 @@ 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) @@ -1051,7 +1051,7 @@ 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); @@ -1129,7 +1129,7 @@ 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 @@ -1206,7 +1206,7 @@ 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) @@ -1473,7 +1473,7 @@ 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 }; @@ -1710,7 +1710,7 @@ 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; @@ -1916,7 +1916,7 @@ 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; @@ -2205,7 +2205,7 @@ 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 @@ -2561,7 +2561,7 @@ 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; @@ -2919,7 +2919,7 @@ 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; @@ -3049,7 +3049,9 @@ 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 */ @@ -3142,7 +3144,7 @@ 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] == '-') { @@ -3263,7 +3265,7 @@ 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 }; @@ -3381,7 +3383,7 @@ 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] == '-') { @@ -3435,7 +3437,7 @@ static int zfs_do_snapshot(int argc, char **argv) { boolean_t recursive = B_FALSE; - int ret; + int ret = 0; char c; nvlist_t *props; @@ -5273,7 +5275,7 @@ 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 */ @@ -5850,7 +5852,7 @@ 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"; @@ -6318,7 +6320,7 @@ 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; @@ -6468,7 +6470,7 @@ 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) { @@ -6538,7 +6540,7 @@ zfs_do_diff(int argc, char **argv) int main(int argc, char **argv) { - int ret; + int ret = 0; int i; char *progname; char *cmdname; -- 1.7.9.4