tree 9b2060931a6776ec3e2bffce0adcba04643d0ec3
parent ec4a340789be16831ae96be5f7552238a7a6e903
author Ming Lei <tom.leiming@gmail.com> 1398928356 +0800
committer Jens Axboe <axboe@fb.com> 1398957461 -0600

block: null_blk: fix use after free

entry(cmd->ll_list) may belong to new request once end_cmd()
returns, so fix the bug with the patch.

Without the change, it is easy to observe oops when
doing null_blk(timer) test.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>