Merge commit 'refs/top-bases/linux-have-zvol' into linux-have-zvol

cmd/zdb/zdb.c

@@ -817,7 +817,7 @@ dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
 static void
 dump_bplist(objset_t *mos, uint64_t object, char *name)
 {
-	bplist_t bpl = { 0 };
+	bplist_t bpl;
 	blkptr_t blk, *bp = &blk;
 	uint64_t itor = 0;
 	char bytes[6];
@@ -827,6 +827,7 @@ dump_bplist(objset_t *mos, uint64_t object, char *name)
 	if (dump_opt['d'] < 3)
 		return;
 
+	bzero(&bpl, sizeof(bplist_t));
 	mutex_init(&bpl.bpl_lock, NULL, MUTEX_DEFAULT, NULL);
 	VERIFY(0 == bplist_open(&bpl, mos, object));
 	if (bplist_empty(&bpl)) {
@@ -1567,13 +1568,15 @@ zdb_blkptr_cb(spa_t *spa, blkptr_t *bp, const zbookmark_t *zb,
 static int
 dump_block_stats(spa_t *spa)
 {
-	zdb_cb_t zcb = { 0 };
+	zdb_cb_t zcb;
 	zdb_blkstats_t *zb, *tzb;
 	uint64_t alloc, space, logalloc;
 	vdev_t *rvd = spa->spa_root_vdev;
 	int leaks = 0;
 	int c, e;
 
+	bzero(&zcb, sizeof(zdb_cb_t));
+
 	if (!dump_opt['S']) {
 		(void) printf("\nTraversing all blocks %s%s%s%s...\n",
 		    (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",

cmd/ztest/ztest.c

@@ -1932,11 +1932,12 @@ ztest_dmu_write_parallel(ztest_args_t *za)
 	pthread_mutex_t *lp;
 	char osname[MAXNAMELEN];
 	char iobuf[SPA_MAXBLOCKSIZE];
-	blkptr_t blk = { 0 };
+	blkptr_t blk;
 	uint64_t blkoff;
 	zbookmark_t zb;
 	dmu_tx_t *tx = dmu_tx_create(os);
 
+	bzero(&blk, sizeof(blkptr_t));
 	dmu_objset_name(os, osname);
 
 	/*

lib/libzfs/libzfs_config.c

@@ -103,7 +103,7 @@ namespace_reload(libzfs_handle_t *hdl)
 	nvlist_t *config;
 	config_node_t *cn;
 	nvpair_t *elem;
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	void *cookie;
 
 	if (hdl->libzfs_ns_gen == 0) {
@@ -228,7 +228,7 @@ 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 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	int error;
 	nvlist_t *config;
 	libzfs_handle_t *hdl = zhp->zpool_hdl;

lib/libzfs/libzfs_dataset.c

@@ -368,7 +368,7 @@ static int
 get_stats(zfs_handle_t *zhp)
 {
 	int rc = 0;
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 
 	if (zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0)
 		return (-1);
@@ -415,7 +415,7 @@ top:
 
 
 	if (zhp->zfs_dmustats.dds_inconsistent) {
-		zfs_cmd_t zc2 = { 0 };
+		zfs_cmd_t zc2 = { "\0", "\0", "\0", 0 };
 
 		/*
 		 * If it is dds_inconsistent, then we've caught it in
@@ -489,7 +489,7 @@ top:
 zfs_handle_t *
 make_dataset_handle(libzfs_handle_t *hdl, const char *path)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 
 	zfs_handle_t *zhp = calloc(sizeof (zfs_handle_t), 1);
 
@@ -1391,7 +1391,7 @@ zfs_build_perms(zfs_handle_t *zhp, char *whostr, char *perms,
 static int
 zfs_perm_set_common(zfs_handle_t *zhp, nvlist_t *nvp, boolean_t unset)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	int error;
 	char errbuf[1024];
 
@@ -1605,7 +1605,7 @@ zfs_coalesce_perm(zfs_handle_t *zhp, zfs_allow_node_t *allownode,
 int
 zfs_perm_get(zfs_handle_t *zhp, zfs_allow_t **zfs_perms)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	int error;
 	nvlist_t *nvlist;
 	nvlist_t *permnv, *sourcenv;
@@ -1943,7 +1943,7 @@ zfs_deleg_permissions(void)
 int
 zfs_prop_set(zfs_handle_t *zhp, const char *propname, const char *propval)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	int ret = -1;
 	prop_changelist_t *cl = NULL;
 	char errbuf[1024];
@@ -2103,7 +2103,7 @@ error:
 int
 zfs_prop_inherit(zfs_handle_t *zhp, const char *propname)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	int ret;
 	prop_changelist_t *cl;
 	libzfs_handle_t *hdl = zhp->zfs_hdl;
@@ -2253,7 +2253,7 @@ 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 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	nvlist_t *zplprops = NULL;
 	struct mnttab mnt;
 	char *mntopt_on = NULL;
@@ -2801,7 +2801,7 @@ top:
 int
 zfs_iter_filesystems(zfs_handle_t *zhp, zfs_iter_f func, void *data)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	zfs_handle_t *nzhp;
 	int ret;
 
@@ -2843,7 +2843,7 @@ 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 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	zfs_handle_t *nzhp;
 	int ret;
 
@@ -2913,7 +2913,7 @@ 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 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	char parent[ZFS_MAXNAMELEN];
 	char *slash;
 	zfs_handle_t *zhp;
@@ -3118,7 +3118,7 @@ int
 zfs_create(libzfs_handle_t *hdl, const char *path, zfs_type_t type,
     nvlist_t *props)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	int ret;
 	uint64_t size = 0;
 	uint64_t blocksize = zfs_prop_default_numeric(ZFS_PROP_VOLBLOCKSIZE);
@@ -3281,7 +3281,7 @@ zfs_create(libzfs_handle_t *hdl, const char *path, zfs_type_t type,
 int
 zfs_destroy(zfs_handle_t *zhp)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 
 	(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
 
@@ -3361,7 +3361,7 @@ zfs_remove_link_cb(zfs_handle_t *zhp, void *arg)
 int
 zfs_destroy_snaps(zfs_handle_t *zhp, char *snapname)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	int ret;
 	struct destroydata dd = { 0 };
 
@@ -3405,7 +3405,7 @@ zfs_destroy_snaps(zfs_handle_t *zhp, char *snapname)
 int
 zfs_clone(zfs_handle_t *zhp, const char *target, nvlist_t *props)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	char parent[ZFS_MAXNAMELEN];
 	int ret;
 	char errbuf[1024];
@@ -3554,7 +3554,7 @@ int
 zfs_promote(zfs_handle_t *zhp)
 {
 	libzfs_handle_t *hdl = zhp->zfs_hdl;
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	char parent[MAXPATHLEN];
 	char *cp;
 	int ret;
@@ -3677,7 +3677,7 @@ 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 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	int ret;
 	char errbuf[1024];
 
@@ -3829,7 +3829,7 @@ 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 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	boolean_t restore_resv = 0;
 	uint64_t old_volsize = 0, new_volsize;
 	zfs_prop_t resv_prop;
@@ -3951,7 +3951,7 @@ int
 zfs_rename(zfs_handle_t *zhp, const char *target, boolean_t recursive)
 {
 	int ret;
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	char *delim;
 	prop_changelist_t *cl = NULL;
 	zfs_handle_t *zhrp = NULL;
@@ -4275,7 +4275,7 @@ zvol_create_link_common(libzfs_handle_t *hdl, const char *dataset, int ifexists)
 int
 zvol_remove_link(libzfs_handle_t *hdl, const char *dataset)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 
 	(void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name));
 
@@ -4454,7 +4454,7 @@ int
 zfs_deleg_share_nfs(libzfs_handle_t *hdl, char *dataset, char *path,
     void *export, void *sharetab, int sharemax, zfs_share_op_t operation)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	int error;
 
 	(void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name));

lib/libzfs/libzfs_graph.c

@@ -381,7 +381,7 @@ 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 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	zfs_vertex_t *zvp;
 
 	/*
@@ -482,7 +482,7 @@ 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 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 
 	/*
 	 * Check whether this dataset is a clone or has clones since

lib/libzfs/libzfs_import.c

@@ -367,7 +367,7 @@ static nvlist_t *
 refresh_config(libzfs_handle_t *hdl, nvlist_t *config)
 {
 	nvlist_t *nvl;
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	int err;
 
 	if (zcmd_write_conf_nvlist(hdl, &zc, config) != 0)

lib/libzfs/libzfs_pool.c

@@ -64,7 +64,7 @@ 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 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	libzfs_handle_t *hdl = zhp->zpool_hdl;
 
 	(void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
@@ -548,7 +548,7 @@ error:
 int
 zpool_set_prop(zpool_handle_t *zhp, const char *propname, const char *propval)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	int ret = -1;
 	char errbuf[1024];
 	nvlist_t *nvl = NULL;
@@ -853,7 +853,7 @@ int
 zpool_create(libzfs_handle_t *hdl, const char *pool, nvlist_t *nvroot,
     nvlist_t *props, nvlist_t *fsprops)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	nvlist_t *zc_fsprops = NULL;
 	nvlist_t *zc_props = NULL;
 	char msg[1024];
@@ -983,7 +983,7 @@ create_failed:
 int
 zpool_destroy(zpool_handle_t *zhp)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	zfs_handle_t *zfp = NULL;
 	libzfs_handle_t *hdl = zhp->zpool_hdl;
 	char msg[1024];
@@ -1030,7 +1030,7 @@ zpool_destroy(zpool_handle_t *zhp)
 int
 zpool_add(zpool_handle_t *zhp, nvlist_t *nvroot)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	int ret;
 	libzfs_handle_t *hdl = zhp->zpool_hdl;
 	char msg[1024];
@@ -1153,7 +1153,7 @@ 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 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	char msg[1024];
 
 	if (zpool_remove_zvol_links(zhp) != 0)
@@ -1245,7 +1245,7 @@ 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 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	char *thename;
 	char *origname;
 	int ret;
@@ -1349,7 +1349,7 @@ zpool_import_props(libzfs_handle_t *hdl, nvlist_t *config, const char *newname,
 int
 zpool_scrub(zpool_handle_t *zhp, pool_scrub_type_t type)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	char msg[1024];
 	libzfs_handle_t *hdl = zhp->zpool_hdl;
 
@@ -1614,7 +1614,7 @@ int
 zpool_vdev_online(zpool_handle_t *zhp, const char *path, int flags,
     vdev_state_t *newstate)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	char msg[1024];
 	nvlist_t *tgt;
 	boolean_t avail_spare, l2cache;
@@ -1650,7 +1650,7 @@ 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 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	char msg[1024];
 	nvlist_t *tgt;
 	boolean_t avail_spare, l2cache;
@@ -1695,7 +1695,7 @@ zpool_vdev_offline(zpool_handle_t *zhp, const char *path, boolean_t istmp)
 int
 zpool_vdev_fault(zpool_handle_t *zhp, uint64_t guid)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	char msg[1024];
 	libzfs_handle_t *hdl = zhp->zpool_hdl;
 
@@ -1729,7 +1729,7 @@ zpool_vdev_fault(zpool_handle_t *zhp, uint64_t guid)
 int
 zpool_vdev_degrade(zpool_handle_t *zhp, uint64_t guid)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	char msg[1024];
 	libzfs_handle_t *hdl = zhp->zpool_hdl;
 
@@ -1782,7 +1782,7 @@ 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 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	char msg[1024];
 	int ret;
 	nvlist_t *tgt;
@@ -1965,7 +1965,7 @@ zpool_vdev_attach(zpool_handle_t *zhp,
 int
 zpool_vdev_detach(zpool_handle_t *zhp, const char *path)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	char msg[1024];
 	nvlist_t *tgt;
 	boolean_t avail_spare, l2cache;
@@ -2022,7 +2022,7 @@ zpool_vdev_detach(zpool_handle_t *zhp, const char *path)
 int
 zpool_vdev_remove(zpool_handle_t *zhp, const char *path)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	char msg[1024];
 	nvlist_t *tgt;
 	boolean_t avail_spare, l2cache;
@@ -2057,7 +2057,7 @@ zpool_vdev_remove(zpool_handle_t *zhp, const char *path)
 int
 zpool_clear(zpool_handle_t *zhp, const char *path)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	char msg[1024];
 	nvlist_t *tgt;
 	boolean_t avail_spare, l2cache;
@@ -2101,7 +2101,7 @@ zpool_clear(zpool_handle_t *zhp, const char *path)
 int
 zpool_vdev_clear(zpool_handle_t *zhp, uint64_t guid)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	char msg[1024];
 	libzfs_handle_t *hdl = zhp->zpool_hdl;
 
@@ -2353,7 +2353,7 @@ 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 };
+	zfs_cmd_t zc = { "\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));
@@ -2476,7 +2476,7 @@ zbookmark_compare(const void *a, const void *b)
 int
 zpool_get_errlog(zpool_handle_t *zhp, nvlist_t **nverrlistp)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	uint64_t count;
 	zbookmark_t *zb = NULL;
 	int i;
@@ -2572,7 +2572,7 @@ nomem:
 int
 zpool_upgrade(zpool_handle_t *zhp, uint64_t new_version)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	libzfs_handle_t *hdl = zhp->zpool_hdl;
 
 	(void) strcpy(zc.zc_name, zhp->zpool_name);
@@ -2634,7 +2634,7 @@ 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 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	libzfs_handle_t *hdl = zhp->zpool_hdl;
 
 	(void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
@@ -2761,7 +2761,7 @@ 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 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	boolean_t mounted = B_FALSE;
 	char *mntpnt = NULL;
 	char dsname[MAXNAMELEN];

lib/libzfs/libzfs_sendrecv.c

@@ -451,7 +451,7 @@ static int
 dump_ioctl(zfs_handle_t *zhp, const char *fromsnap, boolean_t fromorigin,
     int outfd)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	libzfs_handle_t *hdl = zhp->zfs_hdl;
 
 	assert(zhp->zfs_type == ZFS_TYPE_SNAPSHOT);
@@ -552,7 +552,7 @@ 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 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 
 	(void) snprintf(zc.zc_name, sizeof (zc.zc_name), "%s@%s",
 	    zhp->zfs_name, sdd->tosnap);
@@ -709,7 +709,7 @@ zfs_send(zfs_handle_t *zhp, const char *fromsnap, const char *tosnap,
 		dmu_replay_record_t drr = { 0 };
 		char *packbuf = NULL;
 		size_t buflen = 0;
-		zio_cksum_t zc = { 0 };
+		zio_cksum_t zc = { { 0 } };
 
 		assert(fromsnap || doall);
 
@@ -875,7 +875,7 @@ 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 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	int err;
 	prop_changelist_t *clp;
 	zfs_handle_t *zhp;
@@ -947,7 +947,7 @@ static int
 recv_destroy(libzfs_handle_t *hdl, const char *name, int baselen,
     char *newname, recvflags_t flags)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	int err = 0;
 	prop_changelist_t *clp;
 	zfs_handle_t *zhp;
@@ -1158,7 +1158,7 @@ again:
 			    stream_originguid, originguid)) {
 			case 1: {
 				/* promote it! */
-				zfs_cmd_t zc = { 0 };
+				zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 				nvlist_t *origin_nvfs;
 				char *origin_fsname;
 
@@ -1230,7 +1230,7 @@ again:
 			if (0 == nvlist_lookup_nvlist(stream_nvfs, "snapprops",
 			    &props) && 0 == nvlist_lookup_nvlist(props,
 			    stream_snapname, &props)) {
-				zfs_cmd_t zc = { 0 };
+				zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 
 				zc.zc_cookie = B_TRUE; /* clear current props */
 				(void) snprintf(zc.zc_name, sizeof (zc.zc_name),
@@ -1556,7 +1556,7 @@ zfs_receive_one(libzfs_handle_t *hdl, int infd, const char *tosnap,
     dmu_replay_record_t *drr_noswap, avl_tree_t *stream_avl,
     char **top_zfs)
 {
-	zfs_cmd_t zc = { 0 };
+	zfs_cmd_t zc = { "\0", "\0", "\0", 0 };
 	time_t begin_time;
 	int ioctl_err, ioctl_errno, err, choplen;
 	char *cp;
@@ -1835,7 +1835,7 @@ 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 };
+		zfs_cmd_t zc2 = { "\0", "\0", "\0", 0 };
 
 		(void) strcpy(zc2.zc_name, zc.zc_value);
 		if (zcmd_write_src_nvlist(hdl, &zc2, snapprops_nvlist) == 0) {
@@ -1990,7 +1990,7 @@ zfs_receive_impl(libzfs_handle_t *hdl, const char *tosnap, recvflags_t flags,
 	dmu_replay_record_t drr, drr_noswap;
 	struct drr_begin *drrb = &drr.drr_u.drr_begin;
 	char errbuf[1024];
-	zio_cksum_t zcksum = { 0 };
+	zio_cksum_t zcksum = { { 0 } };
 
 	(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
 	    "cannot receive"));

module/zfs/dsl_dataset.c

@@ -2614,10 +2614,11 @@ dsl_dataset_promote(const char *name)
 	dsl_dir_t *dd;
 	dsl_pool_t *dp;
 	dmu_object_info_t doi;
-	struct promotearg pa = { 0 };
+	struct promotearg pa;
 	struct promotenode *snap;
 	int err;
 
+	bzero(&pa, sizeof(struct promotearg));
 	err = dsl_dataset_hold(name, FTAG, &ds);
 	if (err)
 		return (err);