Commit 64611a15 authored Jun 04, 2020 by Eric Biggers Committed by Mike Snitzer Jun 05, 2020

dm crypt: avoid truncating the logical block size



queue_limits::logical_block_size got changed from unsigned short to
unsigned int, but it was forgotten to update crypt_io_hints() to use the
new type.  Fix it.

Fixes: ad6bf88a ("block: fix an integer overflow in logical block size")
Cc: stable@vger.kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

parent 04867370

drivers/md/dm-crypt.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -3312,7 +3312,7 @@ static void crypt_io_hints(struct dm_target ti, struct queue_limits limits)
		limits->max_segment_size = PAGE_SIZE;

		limits->logical_block_size =
		max_t(unsigned short, limits->logical_block_size, cc->sector_size);
		max_t(unsigned, limits->logical_block_size, cc->sector_size);
		limits->physical_block_size =
		max_t(unsigned, limits->physical_block_size, cc->sector_size);
		limits->io_min = max_t(unsigned, limits->io_min, cc->sector_size);

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