blk-mq: fix allocation for queue mapping table

Type of each element in queue mapping table is 'unsigned int, intead of 'struct blk_mq_queue_map)', so fix it. Cc: Jeff Moyer <[email protected]> Cc: Mike Snitzer <[email protected]> Cc: Christoph Hellwig <[email protected]> Reviewed-by: Christoph Hellwig <[email protected]> Signed-off-by: Ming Lei <[email protected]> Signed-off-by: Jens Axboe <[email protected]>
ambv · Dec 17, 2018 · 07b35eb · 07b35eb
1 parent d19afeb
commit 07b35eb
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/block/blk-mq.c b/block/blk-mq.c
@@ -3019,7 +3019,7 @@ int blk_mq_alloc_tag_set(struct blk_mq_tag_set *set)
 	ret = -ENOMEM;
 	for (i = 0; i < set->nr_maps; i++) {
 		set->map[i].mq_map = kcalloc_node(nr_cpu_ids,
-						  sizeof(struct blk_mq_queue_map),
+						  sizeof(set->map[i].mq_map[0]),
 						  GFP_KERNEL, set->numa_node);
 		if (!set->map[i].mq_map)
 			goto out_free_mq_map;