block: null_blk: fix use after free

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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>

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Ming Lei 2014-05-01 15:12:36 +08:00 • committed by Jens Axboe

parent ec4a340789

commit fc27691f35

1 changed files with 1 additions and 1 deletions

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drivers/block/null_blk.c

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