This is a note to let you know that I've just added the patch titled block: refactor to use helper to the 6.1-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: block-refactor-to-use-helper.patch and it can be found in the queue-6.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit ee493c7860699cca2cf3e133656a5ba5d25cedb9 Author: Nitesh Shetty <nj.shetty@xxxxxxxxxxx> Date: Wed Jul 19 17:46:08 2023 +0530 block: refactor to use helper [ Upstream commit 8f63fef5867fb5e8c29d9c14b6d739bfc1869d32 ] Reduce some code by making use of bio_integrity_bytes(). Signed-off-by: Nitesh Shetty <nj.shetty@xxxxxxxxxxx> Reviewed-by: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx> Link: https://lore.kernel.org/r/20230719121608.32105-1-nj.shetty@xxxxxxxxxxx Signed-off-by: Jens Axboe <axboe@xxxxxxxxx> Stable-dep-of: 899ee2c3829c ("block: initialize integrity buffer to zero before writing it to media") Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/block/bio-integrity.c b/block/bio-integrity.c index 4533eb4916610..8f0af7ac8573b 100644 --- a/block/bio-integrity.c +++ b/block/bio-integrity.c @@ -199,7 +199,6 @@ bool bio_integrity_prep(struct bio *bio) unsigned long start, end; unsigned int len, nr_pages; unsigned int bytes, offset, i; - unsigned int intervals; blk_status_t status; if (!bi) @@ -224,10 +223,9 @@ bool bio_integrity_prep(struct bio *bio) !(bi->flags & BLK_INTEGRITY_GENERATE)) return true; } - intervals = bio_integrity_intervals(bi, bio_sectors(bio)); /* Allocate kernel buffer for protection data */ - len = intervals * bi->tuple_size; + len = bio_integrity_bytes(bi, bio_sectors(bio)); buf = kmalloc(len, GFP_NOIO); status = BLK_STS_RESOURCE; if (unlikely(buf == NULL)) {