From c5eec74f252dfba25269cd68f9a3407aedefd330 Mon Sep 17 00:00:00 2001 From: Guoqing Jiang Date: Wed, 16 Dec 2020 02:26:22 +0100 Subject: [PATCH] md/raid5: cast chunk_sectors to sector_t value Currently, raid5 calculates dev_sectors from chunk_sectors without proper cast, which is problematic. Signed-off-by: Guoqing Jiang Signed-off-by: Song Liu --- drivers/md/raid5.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index f411b9e5c332..b71f50132495 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -7661,7 +7661,7 @@ static int raid5_run(struct mddev *mddev) } /* device size must be a multiple of chunk size */ - mddev->dev_sectors &= ~(mddev->chunk_sectors - 1); + mddev->dev_sectors &= ~((sector_t)mddev->chunk_sectors - 1); mddev->resync_max_sectors = mddev->dev_sectors; if (mddev->degraded > dirty_parity_disks &&