The number of sectors passed to bio_split() should be aligned to bio_required_sector_alignment(). All callers (other than bounce.c) have been updated to ensure this, so add a WARN() if the number of sectors is not aligned. (bounce.c was not updated since it's legacy code that won't interact with inline encryption). Signed-off-by: Satya Tangirala <satyat@xxxxxxxxxx> --- block/bio.c | 1 + 1 file changed, 1 insertion(+) diff --git a/block/bio.c b/block/bio.c index 26b7f721cda8..cb348f134a15 100644 --- a/block/bio.c +++ b/block/bio.c @@ -1458,6 +1458,7 @@ struct bio *bio_split(struct bio *bio, int sectors, BUG_ON(sectors <= 0); BUG_ON(sectors >= bio_sectors(bio)); + WARN_ON(!IS_ALIGNED(sectors, bio_required_sector_alignment(bio))); /* Zone append commands cannot be split */ if (WARN_ON_ONCE(bio_op(bio) == REQ_OP_ZONE_APPEND)) -- 2.31.0.291.g576ba9dcdaf-goog
