628 	unsigned char sector[sizeof(struct g_eli_metadata)];  in eli_metadata_read()  local
641 		if (read(fd, sector, sizeof(sector)) != sizeof(sector)) {  in eli_metadata_read()
650 		error = g_metadata_read(prov, sector, sizeof(sector),  in eli_metadata_read()
658 	error = eli_metadata_decode(sector, md);  in eli_metadata_read()
684 	unsigned char sector[sizeof(struct g_eli_metadata)];  in eli_metadata_store()  local
687 	eli_metadata_encode(md, sector);  in eli_metadata_store()
696 			explicit_bzero(sector, sizeof(sector));  in eli_metadata_store()
699 		if (write(fd, sector, sizeof(sector)) != sizeof(sector)) {  in eli_metadata_store()
702 			explicit_bzero(sector, sizeof(sector));  in eli_metadata_store()
709 		error = g_metadata_store(prov, sector, sizeof(sector));  in eli_metadata_store()
713 			explicit_bzero(sector, sizeof(sector));  in eli_metadata_store()
717 	explicit_bzero(sector, sizeof(sector));  in eli_metadata_store()
726 	unsigned char sector[sizeof(struct g_eli_metadata)] __aligned(4);  in eli_init()  local
903 				gctl_error(r, "Invalid sector size.");  in eli_init()
932 		eli_metadata_encode(&md, sector);  in eli_init()
935 		error = g_metadata_store(prov, sector, sizeof(sector));  in eli_init()
1029 		explicit_bzero(sector, sizeof(sector));  in eli_init()
1593 	unsigned char *sector;  in eli_trash_metadata()  local
1605 		gctl_error(req, "Cannot obtain provider sector size %s: %s.",  in eli_trash_metadata()
1609 	sector = malloc(size);  in eli_trash_metadata()
1610 	if (sector == NULL) {  in eli_trash_metadata()
1617 		arc4random_buf(sector, size);  in eli_trash_metadata()
1618 		if (pwrite(fd, sector, size, offset) != size) {  in eli_trash_metadata()
1624 	free(sector);  in eli_trash_metadata()
1663 		    "Cannot obtain media size or sector size for provider %s: %s.",  in eli_kill_detached()
1708 	unsigned char *sector;  in eli_backup_create()  local
1714 	sector = NULL;  in eli_backup_create()
1723 	sector = malloc(secsize);  in eli_backup_create()
1724 	if (sector == NULL) {  in eli_backup_create()
1729 	error = g_metadata_read(prov, sector, secsize, G_ELI_MAGIC);  in eli_backup_create()
1743 	if (write(filefd, sector, secsize) != secsize) {  in eli_backup_create()
1755 	if (sector != NULL) {  in eli_backup_create()
1756 		explicit_bzero(sector, secsize);  in eli_backup_create()
1757 		free(sector);  in eli_backup_create()
1824 	unsigned char *sector;  in eli_resize()  local
1837 	sector = NULL;  in eli_resize()
1854 	sector = malloc(secsize);  in eli_resize()
1855 	if (sector == NULL) {  in eli_resize()
1867 	if (pread(provfd, sector, secsize, oldsize - secsize) != secsize) {  in eli_resize()
1873 	/* Check if this sector contains geli metadata. */  in eli_resize()
1874 	error = eli_metadata_decode(sector, &md);  in eli_resize()
1919 	if (sector != NULL) {  in eli_resize()
1920 		explicit_bzero(sector, secsize);  in eli_resize()
1921 		free(sector);  in eli_resize()