block: prevent an integer overflow in bvec_try_merge_hw_page

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[ Upstream commit 3f034c374a ]

Reordered a check to avoid a possible overflow when adding len to bv_len.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20231204173419.782378-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Christoph Hellwig 2023-12-04 18:34:18 +01:00 • committed by Greg Kroah-Hartman

parent f6791424f6

commit 85f24d72b5

1 changed files with 1 additions and 1 deletions

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block/bio.c

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