Merge commit 'refs/top-bases/gcc-branch' into gcc-branch

cmd/zdb/zdb.c

@@ -2409,8 +2409,11 @@ dump_simulated_ddt(spa_t *spa)
 	avl_tree_t t;
 	void *cookie = NULL;
 	zdb_ddt_entry_t *zdde;
-	ddt_histogram_t ddh_total = { 0 };
+	ddt_histogram_t ddh_total;
-	ddt_stat_t dds_total = { 0 };
+	ddt_stat_t dds_total;
+
+	bzero(&ddh_total, sizeof (ddt_histogram_t));
+	bzero(&dds_total, sizeof (ddt_stat_t));
 
 	avl_create(&t, ddt_entry_compare,
 	    sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node));

lib/libzfs/libzfs_config.c

@@ -101,7 +101,7 @@ namespace_reload(libzfs_handle_t *hdl)
 	nvlist_t *config;
 	config_node_t *cn;
 	nvpair_t *elem;
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	void *cookie;
 
 	if (hdl->libzfs_ns_gen == 0) {
@@ -226,7 +226,7 @@ zpool_get_config(zpool_handle_t *zhp, nvlist_t **oldconfig)
 int
 zpool_refresh_stats(zpool_handle_t *zhp, boolean_t *missing)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	int error;
 	nvlist_t *config;
 	libzfs_handle_t *hdl = zhp->zpool_hdl;

lib/libzfs/libzfs_dataset.c

@@ -349,7 +349,7 @@ get_recvd_props_ioctl(zfs_handle_t *zhp)
 {
 	libzfs_handle_t *hdl = zhp->zfs_hdl;
 	nvlist_t *recvdprops;
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	int err;
 
 	if (zcmd_alloc_dst_nvlist(hdl, &zc, 0) != 0)
@@ -412,7 +412,7 @@ static int
 get_stats(zfs_handle_t *zhp)
 {
 	int rc = 0;
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 
 	if (zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0)
 		return (-1);
@@ -472,7 +472,7 @@ make_dataset_handle_common(zfs_handle_t *zhp, zfs_cmd_t *zc)
 zfs_handle_t *
 make_dataset_handle(libzfs_handle_t *hdl, const char *path)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 
 	zfs_handle_t *zhp = calloc(sizeof (zfs_handle_t), 1);
 
@@ -1347,7 +1347,7 @@ zfs_setprop_error(libzfs_handle_t *hdl, zfs_prop_t prop, int err,
 int
 zfs_prop_set(zfs_handle_t *zhp, const char *propname, const char *propval)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	int ret = -1;
 	prop_changelist_t *cl = NULL;
 	char errbuf[1024];
@@ -1437,7 +1437,7 @@ error:
 int
 zfs_prop_inherit(zfs_handle_t *zhp, const char *propname, boolean_t received)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	int ret;
 	prop_changelist_t *cl;
 	libzfs_handle_t *hdl = zhp->zfs_hdl;
@@ -1612,7 +1612,7 @@ static int
 get_numeric_property(zfs_handle_t *zhp, zfs_prop_t prop, zprop_source_t *src,
     char **source, uint64_t *val)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	nvlist_t *zplprops = NULL;
 	struct mnttab mnt;
 	char *mntopt_on = NULL;
@@ -2336,7 +2336,7 @@ zfs_prop_get_userquota_common(zfs_handle_t *zhp, const char *propname,
     uint64_t *propvalue, zfs_userquota_prop_t *typep)
 {
 	int err;
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 
 	(void) strncpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
 
@@ -2455,7 +2455,7 @@ top:
 int
 zfs_iter_filesystems(zfs_handle_t *zhp, zfs_iter_f func, void *data)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	zfs_handle_t *nzhp;
 	int ret;
 
@@ -2491,7 +2491,7 @@ zfs_iter_filesystems(zfs_handle_t *zhp, zfs_iter_f func, void *data)
 int
 zfs_iter_snapshots(zfs_handle_t *zhp, zfs_iter_f func, void *data)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	zfs_handle_t *nzhp;
 	int ret;
 
@@ -2582,7 +2582,7 @@ static int
 check_parents(libzfs_handle_t *hdl, const char *path, uint64_t *zoned,
     boolean_t accept_ancestor, int *prefixlen)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	char parent[ZFS_MAXNAMELEN];
 	char *slash;
 	zfs_handle_t *zhp;
@@ -2790,7 +2790,7 @@ int
 zfs_create(libzfs_handle_t *hdl, const char *path, zfs_type_t type,
     nvlist_t *props)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	int ret;
 	uint64_t size = 0;
 	uint64_t blocksize = zfs_prop_default_numeric(ZFS_PROP_VOLBLOCKSIZE);
@@ -2941,7 +2941,7 @@ zfs_create(libzfs_handle_t *hdl, const char *path, zfs_type_t type,
 int
 zfs_destroy(zfs_handle_t *zhp, boolean_t defer)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 
 	(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
 
@@ -3002,7 +3002,7 @@ zfs_check_snap_cb(zfs_handle_t *zhp, void *arg)
 int
 zfs_destroy_snaps(zfs_handle_t *zhp, char *snapname, boolean_t defer)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	int ret;
 	struct destroydata dd = { 0 };
 
@@ -3047,7 +3047,7 @@ zfs_destroy_snaps(zfs_handle_t *zhp, char *snapname, boolean_t defer)
 int
 zfs_clone(zfs_handle_t *zhp, const char *target, nvlist_t *props)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	char parent[ZFS_MAXNAMELEN];
 	int ret;
 	char errbuf[1024];
@@ -3137,7 +3137,7 @@ int
 zfs_promote(zfs_handle_t *zhp)
 {
 	libzfs_handle_t *hdl = zhp->zfs_hdl;
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	char parent[MAXPATHLEN];
 	int ret;
 	char errbuf[1024];
@@ -3191,7 +3191,7 @@ zfs_snapshot(libzfs_handle_t *hdl, const char *path, boolean_t recursive,
 	const char *delim;
 	char parent[ZFS_MAXNAMELEN];
 	zfs_handle_t *zhp;
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	int ret;
 	char errbuf[1024];
 
@@ -3323,7 +3323,7 @@ zfs_rollback(zfs_handle_t *zhp, zfs_handle_t *snap, boolean_t force)
 {
 	rollback_data_t cb = { 0 };
 	int err;
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	boolean_t restore_resv = 0;
 	uint64_t old_volsize = 0, new_volsize;
 	zfs_prop_t resv_prop = { 0 };
@@ -3439,7 +3439,7 @@ int
 zfs_rename(zfs_handle_t *zhp, const char *target, boolean_t recursive)
 {
 	int ret;
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	char *delim;
 	prop_changelist_t *cl = NULL;
 	zfs_handle_t *zhrp = NULL;
@@ -3746,7 +3746,7 @@ zfs_deleg_share_nfs(libzfs_handle_t *hdl, char *dataset, char *path,
     char *resource, void *export, void *sharetab,
     int sharemax, zfs_share_op_t operation)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	int error;
 
 	(void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name));
@@ -3796,7 +3796,7 @@ static int
 zfs_smb_acl_mgmt(libzfs_handle_t *hdl, char *dataset, char *path,
     zfs_smb_acl_op_t cmd, char *resource1, char *resource2)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	nvlist_t *nvlist = NULL;
 	int error;
 
@@ -3878,7 +3878,7 @@ int
 zfs_userspace(zfs_handle_t *zhp, zfs_userquota_prop_t type,
     zfs_userspace_cb_t func, void *arg)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	int error;
 	zfs_useracct_t buf[100];
 
@@ -3914,7 +3914,7 @@ int
 zfs_hold(zfs_handle_t *zhp, const char *snapname, const char *tag,
     boolean_t recursive, boolean_t temphold, boolean_t enoent_ok)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	libzfs_handle_t *hdl = zhp->zfs_hdl;
 
 	(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
@@ -4063,7 +4063,7 @@ int
 zfs_release(zfs_handle_t *zhp, const char *snapname, const char *tag,
     boolean_t recursive)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	libzfs_handle_t *hdl = zhp->zfs_hdl;
 
 	(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));

lib/libzfs/libzfs_graph.c

@@ -379,7 +379,7 @@ zfs_graph_add(libzfs_handle_t *hdl, zfs_graph_t *zgp, const char *source,
 static int
 iterate_children(libzfs_handle_t *hdl, zfs_graph_t *zgp, const char *dataset)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	zfs_vertex_t *zvp;
 
 	/*
@@ -473,7 +473,7 @@ iterate_children(libzfs_handle_t *hdl, zfs_graph_t *zgp, const char *dataset)
 static boolean_t
 external_dependents(libzfs_handle_t *hdl, zfs_graph_t *zgp, const char *dataset)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 
 	/*
 	 * Check whether this dataset is a clone or has clones since

lib/libzfs/libzfs_import.c

@@ -371,7 +371,7 @@ static nvlist_t *
 refresh_config(libzfs_handle_t *hdl, nvlist_t *config)
 {
 	nvlist_t *nvl;
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	int err;
 
 	if (zcmd_write_conf_nvlist(hdl, &zc, config) != 0)

lib/libzfs/libzfs_pool.c

@@ -63,7 +63,7 @@ static int read_efi_label(nvlist_t *config, diskaddr_t *sb);
 static int
 zpool_get_all_props(zpool_handle_t *zhp)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	libzfs_handle_t *hdl = zhp->zpool_hdl;
 
 	(void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
@@ -560,7 +560,7 @@ error:
 int
 zpool_set_prop(zpool_handle_t *zhp, const char *propname, const char *propval)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	int ret = -1;
 	char errbuf[1024];
 	nvlist_t *nvl = NULL;
@@ -874,7 +874,7 @@ int
 zpool_create(libzfs_handle_t *hdl, const char *pool, nvlist_t *nvroot,
     nvlist_t *props, nvlist_t *fsprops)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	nvlist_t *zc_fsprops = NULL;
 	nvlist_t *zc_props = NULL;
 	char msg[1024];
@@ -1004,7 +1004,7 @@ create_failed:
 int
 zpool_destroy(zpool_handle_t *zhp)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	zfs_handle_t *zfp = NULL;
 	libzfs_handle_t *hdl = zhp->zpool_hdl;
 	char msg[1024];
@@ -1048,7 +1048,7 @@ zpool_destroy(zpool_handle_t *zhp)
 int
 zpool_add(zpool_handle_t *zhp, nvlist_t *nvroot)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	int ret;
 	libzfs_handle_t *hdl = zhp->zpool_hdl;
 	char msg[1024];
@@ -1172,7 +1172,7 @@ zpool_add(zpool_handle_t *zhp, nvlist_t *nvroot)
 int
 zpool_export_common(zpool_handle_t *zhp, boolean_t force, boolean_t hardforce)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	char msg[1024];
 
 	(void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN,
@@ -1385,7 +1385,7 @@ int
 zpool_import_props(libzfs_handle_t *hdl, nvlist_t *config, const char *newname,
     nvlist_t *props, boolean_t importfaulted)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	zpool_rewind_policy_t policy;
 	nvlist_t *nvi = NULL;
 	char *thename;
@@ -1529,7 +1529,7 @@ zpool_import_props(libzfs_handle_t *hdl, nvlist_t *config, const char *newname,
 int
 zpool_scan(zpool_handle_t *zhp, pool_scan_func_t func)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	char msg[1024];
 	libzfs_handle_t *hdl = zhp->zpool_hdl;
 
@@ -2079,7 +2079,7 @@ int
 zpool_vdev_online(zpool_handle_t *zhp, const char *path, int flags,
     vdev_state_t *newstate)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	char msg[1024];
 	nvlist_t *tgt;
 	boolean_t avail_spare, l2cache, islog;
@@ -2151,7 +2151,7 @@ zpool_vdev_online(zpool_handle_t *zhp, const char *path, int flags,
 int
 zpool_vdev_offline(zpool_handle_t *zhp, const char *path, boolean_t istmp)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	char msg[1024];
 	nvlist_t *tgt;
 	boolean_t avail_spare, l2cache;
@@ -2201,7 +2201,7 @@ zpool_vdev_offline(zpool_handle_t *zhp, const char *path, boolean_t istmp)
 int
 zpool_vdev_fault(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	char msg[1024];
 	libzfs_handle_t *hdl = zhp->zpool_hdl;
 
@@ -2236,7 +2236,7 @@ zpool_vdev_fault(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux)
 int
 zpool_vdev_degrade(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	char msg[1024];
 	libzfs_handle_t *hdl = zhp->zpool_hdl;
 
@@ -2290,7 +2290,7 @@ int
 zpool_vdev_attach(zpool_handle_t *zhp,
     const char *old_disk, const char *new_disk, nvlist_t *nvroot, int replacing)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	char msg[1024];
 	int ret;
 	nvlist_t *tgt;
@@ -2481,7 +2481,7 @@ zpool_vdev_attach(zpool_handle_t *zhp,
 int
 zpool_vdev_detach(zpool_handle_t *zhp, const char *path)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	char msg[1024];
 	nvlist_t *tgt;
 	boolean_t avail_spare, l2cache;
@@ -2579,7 +2579,7 @@ int
 zpool_vdev_split(zpool_handle_t *zhp, char *newname, nvlist_t **newroot,
     nvlist_t *props, splitflags_t flags)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	char msg[1024];
 	nvlist_t *tree, *config, **child, **newchild, *newconfig = NULL;
 	nvlist_t **varray = NULL, *zc_props = NULL;
@@ -2789,7 +2789,7 @@ out:
 int
 zpool_vdev_remove(zpool_handle_t *zhp, const char *path)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	char msg[1024];
 	nvlist_t *tgt;
 	boolean_t avail_spare, l2cache, islog;
@@ -2834,7 +2834,7 @@ zpool_vdev_remove(zpool_handle_t *zhp, const char *path)
 int
 zpool_clear(zpool_handle_t *zhp, const char *path, nvlist_t *rewindnvl)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	char msg[1024];
 	nvlist_t *tgt;
 	zpool_rewind_policy_t policy;
@@ -2902,7 +2902,7 @@ zpool_clear(zpool_handle_t *zhp, const char *path, nvlist_t *rewindnvl)
 int
 zpool_vdev_clear(zpool_handle_t *zhp, uint64_t guid)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	char msg[1024];
 	libzfs_handle_t *hdl = zhp->zpool_hdl;
 
@@ -2986,7 +2986,7 @@ path_to_devid(const char *path)
 static void
 set_path(zpool_handle_t *zhp, nvlist_t *nv, const char *path)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 
 	(void) strncpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
 	(void) strncpy(zc.zc_value, path, sizeof (zc.zc_value));
@@ -3137,7 +3137,7 @@ zbookmark_compare(const void *a, const void *b)
 int
 zpool_get_errlog(zpool_handle_t *zhp, nvlist_t **nverrlistp)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	uint64_t count;
 	zbookmark_t *zb = NULL;
 	int i;
@@ -3233,7 +3233,7 @@ nomem:
 int
 zpool_upgrade(zpool_handle_t *zhp, uint64_t new_version)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	libzfs_handle_t *hdl = zhp->zpool_hdl;
 
 	(void) strcpy(zc.zc_name, zhp->zpool_name);
@@ -3295,7 +3295,7 @@ zpool_stage_history(libzfs_handle_t *hdl, const char *history_str)
 static int
 get_history(zpool_handle_t *zhp, char *buf, uint64_t *off, uint64_t *len)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	libzfs_handle_t *hdl = zhp->zpool_hdl;
 
 	(void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
@@ -3422,7 +3422,7 @@ void
 zpool_obj_to_path(zpool_handle_t *zhp, uint64_t dsobj, uint64_t obj,
     char *pathname, size_t len)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	boolean_t mounted = B_FALSE;
 	char *mntpnt = NULL;
 	char dsname[MAXNAMELEN];

lib/libzfs/libzfs_sendrecv.c

@@ -53,7 +53,7 @@ extern void zfs_setprop_error(libzfs_handle_t *, zfs_prop_t, int, char *);
 static int zfs_receive_impl(libzfs_handle_t *, const char *, recvflags_t,
     int, const char *, nvlist_t *, avl_tree_t *, char **);
 
-static const zio_cksum_t zero_cksum = { 0 };
+static const zio_cksum_t zero_cksum = { { 0 } };
 
 typedef struct dedup_arg {
 	int	inputfd;
@@ -863,7 +863,7 @@ static int
 dump_ioctl(zfs_handle_t *zhp, const char *fromsnap, boolean_t fromorigin,
     int outfd, boolean_t enoent_ok, boolean_t *got_enoent, nvlist_t *debugnv)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	libzfs_handle_t *hdl = zhp->zfs_hdl;
 	nvlist_t *thisdbg;
 
@@ -1035,7 +1035,7 @@ dump_filesystem(zfs_handle_t *zhp, void *arg)
 	int rv = 0;
 	send_dump_data_t *sdd = arg;
 	boolean_t missingfrom = B_FALSE;
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 
 	(void) snprintf(zc.zc_name, sizeof (zc.zc_name), "%s@%s",
 	    zhp->zfs_name, sdd->tosnap);
@@ -1481,7 +1481,7 @@ recv_rename(libzfs_handle_t *hdl, const char *name, const char *tryname,
     int baselen, char *newname, recvflags_t flags)
 {
 	static int seq;
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	int err;
 	prop_changelist_t *clp;
 	zfs_handle_t *zhp;
@@ -1554,7 +1554,7 @@ static int
 recv_destroy(libzfs_handle_t *hdl, const char *name, int baselen,
     char *newname, recvflags_t flags)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	int err = 0;
 	prop_changelist_t *clp;
 	zfs_handle_t *zhp;
@@ -1782,7 +1782,7 @@ again:
 			    stream_originguid, originguid)) {
 			case 1: {
 				/* promote it! */
-				zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+				zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 				nvlist_t *origin_nvfs;
 				char *origin_fsname;
 
@@ -1854,7 +1854,7 @@ again:
 			if (0 == nvlist_lookup_nvlist(stream_nvfs, "snapprops",
 			    &props) && 0 == nvlist_lookup_nvlist(props,
 			    stream_snapname, &props)) {
-				zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+				zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 
 				zc.zc_cookie = B_TRUE; /* received */
 				(void) snprintf(zc.zc_name, sizeof (zc.zc_name),
@@ -2283,7 +2283,7 @@ zfs_receive_one(libzfs_handle_t *hdl, int infd, const char *tosnap,
     dmu_replay_record_t *drr_noswap, const char *sendfs,
     nvlist_t *stream_nv, avl_tree_t *stream_avl, char **top_zfs)
 {
-	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
 	time_t begin_time;
 	int ioctl_err, ioctl_errno, err;
 	char *cp;
@@ -2649,7 +2649,7 @@ zfs_receive_one(libzfs_handle_t *hdl, int infd, const char *tosnap,
 	zcmd_free_nvlists(&zc);
 
 	if (err == 0 && snapprops_nvlist) {
-		zfs_cmd_t zc2 = { "\0", "\0", "\0", 0 };
+		zfs_cmd_t zc2 = { "\0", "\0", "\0", "\0", 0 };
 
 		(void) strcpy(zc2.zc_name, zc.zc_value);
 		zc2.zc_cookie = B_TRUE; /* received */

module/zfs/dsl_scan.c

@@ -1234,10 +1234,12 @@ static void
 dsl_scan_ddt(dsl_scan_t *scn, dmu_tx_t *tx)
 {
 	ddt_bookmark_t *ddb = &scn->scn_phys.scn_ddt_bookmark;
-	ddt_entry_t dde = { 0 };
+	ddt_entry_t dde;
 	int error;
 	uint64_t n = 0;
 
+	bzero(&dde, sizeof (ddt_entry_t));
+
 	while ((error = ddt_walk(scn->scn_dp->dp_spa, ddb, &dde)) == 0) {
 		ddt_t *ddt;