Commit e30b64a3 authored by Dan Carpenter's avatar Dan Carpenter Committed by Thierry Reding
Browse files

hte: Fix off by one in hte_push_ts_ns() 



The &chip->gdev->ei[] array has chip->nlines elements so this >
comparison needs to be >= to prevent an out of bounds access. The
gdev->ei[] array is allocated in hte_register_chip().

Fixes: 31ab09b4 ("drivers: Add hardware timestamp engine (HTE) subsystem")
Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: default avatarDipen Patel <dipenp@nvidia.com>
Acked-by: default avatarDipen Patel <dipenp@nvidia.com>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent 0668e8cc

drivers/hte/hte.c

+1 −1
Original line number Diff line number Diff line
@@ -811,7 +811,7 @@ int hte_push_ts_ns(const struct hte_chip *chip, u32 xlated_id, 
	if (!chip || !data || !chip->gdev)

		return -EINVAL;



	if (xlated_id > chip->nlines)

	if (xlated_id >= chip->nlines)

		return -EINVAL;



	ei = &chip->gdev->ei[xlated_id];