tree f16c4c7a3148a3ca9c7c149ea6de66fd4423e7c8
parent aed3ea94bdd2ac0a21ed0103d34097e202ee77f6
author Ming Lei <ming.lei@canonical.com> 1420208727 +0000
committer Jens Axboe <axboe@fb.com> 1420219922 -0700

block: fix checking return value of blk_mq_init_queue

Check IS_ERR_OR_NULL(return value) instead of just return value.

Signed-off-by: Ming Lei <ming.lei@canonical.com>

Reduced to IS_ERR() by me, we never return NULL.
Signed-off-by: Jens Axboe <axboe@fb.com>