dm: small cleanup in dm_get_md() (49de5769) · Commits · 戴 / test

drivers/md/dm.c

+5 −10

Original line number	Diff line number	Diff line
		@@ -2074,17 +2074,12 @@ struct mapped_device *dm_get_md(dev_t dev)
		spin_lock(&_minor_lock);

		md = idr_find(&_minor_idr, minor);
		if (md) {
		if ((md == MINOR_ALLOCED \|\|
		(MINOR(disk_devt(dm_disk(md))) != minor) \|\|
		dm_deleting_md(md) \|\|
		test_bit(DMF_FREEING, &md->flags))) {
		if (!md \|\| md == MINOR_ALLOCED \|\| (MINOR(disk_devt(dm_disk(md))) != minor) \|\|
		test_bit(DMF_FREEING, &md->flags) \|\| dm_deleting_md(md)) {
		md = NULL;
		goto out;
		}
		dm_get(md);
		}

		out:
		spin_unlock(&_minor_lock);