79 	struct badblock *bblock;  in dust_remove_block()  local
83 	bblock = dust_rb_search(&dd->badblocklist, block);  in dust_remove_block()
85 	if (bblock == NULL) {  in dust_remove_block()
94 	rb_erase(&bblock->node, &dd->badblocklist);  in dust_remove_block()
98 	kfree(bblock);  in dust_remove_block()
106 	struct badblock *bblock;  in dust_add_block()  local
109 	bblock = kmalloc(sizeof(*bblock), GFP_KERNEL);  in dust_add_block()
110 	if (bblock == NULL) {  in dust_add_block()
117 	bblock->bb = block;  in dust_add_block()
118 	if (!dust_rb_insert(&dd->badblocklist, bblock)) {  in dust_add_block()
124 		kfree(bblock);  in dust_add_block()
138 	struct badblock *bblock;  in dust_query_block()  local
142 	bblock = dust_rb_search(&dd->badblocklist, block);  in dust_query_block()
143 	if (bblock != NULL)  in dust_query_block()