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authorJens Axboe <axboe@kernel.dk>2018-11-07 14:34:05 -0700
committerJens Axboe <axboe@kernel.dk>2018-11-07 14:34:05 -0700
commit6961cd4d0fde97f1cdb798ba21cf124ecfa0bf95 (patch)
tree4c7e07de3f4fc24b0e494e457232a996afb68435 /MAINTAINERS
parentdf376b2ed51a2777c3398e038992f62523c0f932 (diff)
ubd: fix missing lock around request issue
We need to hold the device lock (and disable interrupts) while writing new commands, or we could be interrupted while that is happening and read invalid requests in the completion path. Fixes: 4e6da0fe8058 ("um: Convert ubd driver to blk-mq") Tested-by: Richard Weinberger <richard@nod.at> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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