| commit | 2967acbb257a6a9bf912f4778b727e00972eac9b | [log] [tgz] |
|---|---|---|
| author | Jens Axboe <axboe@kernel.dk> | Sun Nov 19 11:52:55 2017 -0700 |
| committer | Jens Axboe <axboe@kernel.dk> | Mon Nov 27 12:03:58 2017 -0700 |
| tree | be2c900c9cdf5616713f21b8bb3c2d4f34426fee | |
| parent | 6c4ca1e36cdc1a0a7a84797804b87920ccbebf51 [diff] |
blktrace: fix trace mutex deadlock
A previous commit changed the locking around registration/cleanup,
but direct callers of blk_trace_remove() were missed. This means
that if we hit the error path in setup, we will deadlock on
attempting to re-acquire the queue trace mutex.
Fixes: 1f2cac107c59 ("blktrace: fix unlocked access to init/start-stop/teardown")
Signed-off-by: Jens Axboe <axboe@kernel.dk>