weiping zhang 4c18c9e962 blkcg: avoid free blkcg_root when failed to alloc blkcg policy
this patch fix two errors, firstly avoid kfree blk_root, secondly not
free(blkcg) ,if blkcg alloc fail(blkcg == NULL), just unlock that mutex;

Signed-off-by: weiping zhang <zhangweiping@didichuxing.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2017-08-25 13:51:07 -06:00
..
2017-04-21 07:56:23 -06:00
2017-08-18 08:36:58 -06:00
2017-08-23 12:49:52 -06:00
2017-08-23 12:49:52 -06:00