828 	struct buffer_head **o_group_desc, **n_group_desc = NULL;  in add_new_gdb()  local
890 	n_group_desc = kvmalloc((gdb_num + 1) * sizeof(struct buffer_head *),  in add_new_gdb()
892 	if (!n_group_desc) {  in add_new_gdb()
928 	memcpy(n_group_desc, o_group_desc,  in add_new_gdb()
931 	n_group_desc[gdb_num] = gdb_bh;  in add_new_gdb()
932 	rcu_assign_pointer(EXT4_SB(sb)->s_group_desc, n_group_desc);  in add_new_gdb()
945 	kvfree(n_group_desc);  in add_new_gdb()
961 	struct buffer_head **o_group_desc, **n_group_desc;  in add_new_gdb_meta_bg()  local
970 	n_group_desc = kvmalloc((gdb_num + 1) * sizeof(struct buffer_head *),  in add_new_gdb_meta_bg()
972 	if (!n_group_desc) {  in add_new_gdb_meta_bg()
982 	memcpy(n_group_desc, o_group_desc,  in add_new_gdb_meta_bg()
985 	n_group_desc[gdb_num] = gdb_bh;  in add_new_gdb_meta_bg()
990 		kvfree(n_group_desc);  in add_new_gdb_meta_bg()
995 	rcu_assign_pointer(EXT4_SB(sb)->s_group_desc, n_group_desc);  in add_new_gdb_meta_bg()