block: sanitize the elevator name before passing it to __elevator_change

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The stripped name should also be used for the none check.  To do so
strip it in the caller and pass in the sanitized name.  Drop the pointless
__ prefix in the function name while we're at it.

Based on a patch from Jinlong Chen <nickyc975@zju.edu.cn>.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20221020064819.1469928-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Christoph Hellwig 2022-10-20 08:48:17 +02:00 • committed by Jens Axboe

parent dd6f7f17bf

commit 58367c8a5f

1 changed files with 7 additions and 8 deletions

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block/elevator.c

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