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| author | Anton Volkov <avolkov@ispras.ru> | 2017-08-07 14:37:50 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2017-08-15 20:49:20 +0200 |
| commit | a8c1d064d3e80aa9e3ca39e908391e433cc53f78 (patch) | |
| tree | e6f2c12bab61e12cf34d1b8815bb224d63a482cb /drivers/block/nbd.c | |
| parent | cfq: Give a chance for arming slice idle timer in case of group_idle (diff) | |
| download | linux-a8c1d064d3e80aa9e3ca39e908391e433cc53f78.tar.xz linux-a8c1d064d3e80aa9e3ca39e908391e433cc53f78.zip | |
loop: fix to a race condition due to the early registration of device
The early device registration made possible a race leading to allocations
of disks with wrong minors.
This patch moves the device registration further down the loop_init
function to make the race infeasible.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Anton Volkov <avolkov@ispras.ru>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/nbd.c')
0 files changed, 0 insertions, 0 deletions