| commit | 1f2cac107c591c24b60b115d6050adc213d10fc0 | [log] [tgz] |
|---|---|---|
| author | Jens Axboe <axboe@kernel.dk> | Sun Nov 05 09:13:48 2017 -0700 |
| committer | Jens Axboe <axboe@kernel.dk> | Fri Nov 10 19:53:25 2017 -0700 |
| tree | 958d22ca65748177f3d3de85af6ef468fe5826c7 | |
| parent | bf9fc98b736b8a3837040d5ce3a7caf04fa0859c [diff] |
blktrace: fix unlocked access to init/start-stop/teardown
sg.c calls into the blktrace functions without holding the proper queue
mutex for doing setup, start/stop, or teardown.
Add internal unlocked variants, and export the ones that do the proper
locking.
Fixes: 6da127ad0918 ("blktrace: Add blktrace ioctls to SCSI generic devices")
Tested-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>