Andreas Hindborg 9b873bdaae null_blk: fix validation of block size ... [ Upstream commit c462ecd659b5fce731f1d592285832fd6ad54053 ] Block size should be between 512 and PAGE_SIZE and be a power of 2. The current check does not validate this, so update the check. Without this patch, null_blk would Oops due to a null pointer deref when loaded with bs=1536 [1]. Link: https://lore.kernel.org/all/87wmn8mocd.fsf@metaspace.dk/ Signed-off-by: Andreas Hindborg <a.hindborg@samsung.com> Reviewed-by: Ming Lei <ming.lei@redhat.com> Link: https://lore.kernel.org/r/20240603192645.977968-1-nmi@metaspace.dk [axboe: remove unnecessary braces and != 0 check] Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Sasha Levin <sashal@kernel.org>		2024-07-27 10:46:09 +02:00
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Kconfig	null_blk: Move driver into its own directory	2020-12-07 17:36:04 -07:00
Makefile	null_blk: Move driver into its own directory	2020-12-07 17:36:04 -07:00
main.c	null_blk: fix validation of block size	2024-07-27 10:46:09 +02:00
null_blk.h	for-5.13/drivers-2021-04-27	2021-04-28 14:39:37 -07:00
trace.c	null_blk: Move driver into its own directory	2020-12-07 17:36:04 -07:00
trace.h	null_blk: Move driver into its own directory	2020-12-07 17:36:04 -07:00
zoned.c	null_blk: Do not allow runt zone with zone capacity smaller then zone size	2024-07-18 13:07:36 +02:00