80 	struct badblock *bblock;  in dust_remove_block()  local
84 	bblock = dust_rb_search(&dd->badblocklist, block);  in dust_remove_block()
86 	if (bblock == NULL) {  in dust_remove_block()
95 	rb_erase(&bblock->node, &dd->badblocklist);  in dust_remove_block()
99 	kfree(bblock);  in dust_remove_block()
108 	struct badblock *bblock;  in dust_add_block()  local
111 	bblock = kmalloc(sizeof(*bblock), GFP_KERNEL);  in dust_add_block()
112 	if (bblock == NULL) {  in dust_add_block()
119 	bblock->bb = block;  in dust_add_block()
120 	bblock->wr_fail_cnt = wr_fail_cnt;  in dust_add_block()
121 	if (!dust_rb_insert(&dd->badblocklist, bblock)) {  in dust_add_block()
127 		kfree(bblock);  in dust_add_block()
144 	struct badblock *bblock;  in dust_query_block()  local
149 	bblock = dust_rb_search(&dd->badblocklist, block);  in dust_query_block()
150 	if (bblock != NULL)  in dust_query_block()