From e30b64a3ab9b9640e25b2ee6d7a9d70c1efd3b67 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Fri, 6 May 2022 17:53:52 +0300 Subject: 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: 31ab09b42188 ("drivers: Add hardware timestamp engine (HTE) subsystem") Signed-off-by: Dan Carpenter Reviewed-by: Dipen Patel Acked-by: Dipen Patel Signed-off-by: Thierry Reding --- drivers/hte/hte.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/hte/hte.c') diff --git a/drivers/hte/hte.c b/drivers/hte/hte.c index 891b98ad609e..a14c5bf290ff 100644 --- a/drivers/hte/hte.c +++ b/drivers/hte/hte.c @@ -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]; -- cgit v1.2.3