dm thin metadata: Remove unused local variable when create thin and snap (399c9bdb) · Commits · 戴 / test

drivers/md/dm-thin-metadata.c

+2 −4

Original line number	Diff line number	Diff line
		@@ -1051,12 +1051,11 @@ static int __create_thin(struct dm_pool_metadata *pmd,
		int r;
		dm_block_t dev_root;
		uint64_t key = dev;
		struct disk_device_details details_le;
		struct dm_thin_device *td;
		__le64 value;

		r = dm_btree_lookup(&pmd->details_info, pmd->details_root,
		&key, &details_le);
		&key, NULL);
		if (!r)
		return -EEXIST;

		@@ -1129,12 +1128,11 @@ static int __create_snap(struct dm_pool_metadata *pmd,
		dm_block_t origin_root;
		uint64_t key = origin, dev_key = dev;
		struct dm_thin_device *td;
		struct disk_device_details details_le;
		__le64 value;

		/* check this device is unused */
		r = dm_btree_lookup(&pmd->details_info, pmd->details_root,
		&dev_key, &details_le);
		&dev_key, NULL);
		if (!r)
		return -EEXIST;

+2 −1

Original line number	Diff line number	Diff line
		@@ -366,6 +366,7 @@ static int btree_lookup_raw(struct ro_spine *s, dm_block_t block, uint64_t key,
		} while (!(flags & LEAF_NODE));

		*result_key = le64_to_cpu(ro_node(s)->keys[i]);
		if (v)
		memcpy(v, value_ptr(ro_node(s), i), value_size);

		return 0;