ublk: Switch to memdup_user_nul() helper
authorRuan Jinjie <ruanjinjie@huawei.com>
Tue, 15 Aug 2023 11:48:14 +0000 (19:48 +0800)
committerJens Axboe <axboe@kernel.dk>
Tue, 15 Aug 2023 16:06:54 +0000 (10:06 -0600)
commit66a6a5d0ec852eaced589da066376e69397cd71e
tree250e4720df61365612d4364e99962238864e9b92
parentc7b4b23b36edf32239e7fc3b922797ff1d32b072
ublk: Switch to memdup_user_nul() helper

Use memdup_user_nul() helper instead of open-coding
to simplify the code.

Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20230815114815.1551171-1-ruanjinjie@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/block/ublk_drv.c