All of lore.kernel.org
 help / color / mirror / Atom feed
From: Dan Carpenter <dan.carpenter@oracle.com>
To: Abel Vesa <abel.vesa@nxp.com>, Dong Aisheng <aisheng.dong@nxp.com>
Cc: Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>, Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	NXP Linux Team <linux-imx@nxp.com>,
	linux-clk@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: [PATCH] clk: imx: off by one in imx_lpcg_parse_clks_from_dt()
Date: Mon, 28 Feb 2022 10:50:14 +0300	[thread overview]
Message-ID: <20220228075014.GD13685@kili> (raw)

The > needs to be >= to prevent an off by one access.

Fixes: d5f1e6a2bb61 ("clk: imx: imx8qxp-lpcg: add parsing clocks from device tree")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
 drivers/clk/imx/clk-imx8qxp-lpcg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/imx/clk-imx8qxp-lpcg.c b/drivers/clk/imx/clk-imx8qxp-lpcg.c
index b23758083ce5..5e31a6a24b3a 100644
--- a/drivers/clk/imx/clk-imx8qxp-lpcg.c
+++ b/drivers/clk/imx/clk-imx8qxp-lpcg.c
@@ -248,7 +248,7 @@ static int imx_lpcg_parse_clks_from_dt(struct platform_device *pdev,
 
 	for (i = 0; i < count; i++) {
 		idx = bit_offset[i] / 4;
-		if (idx > IMX_LPCG_MAX_CLKS) {
+		if (idx >= IMX_LPCG_MAX_CLKS) {
 			dev_warn(&pdev->dev, "invalid bit offset of clock %d\n",
 				 i);
 			ret = -EINVAL;
-- 
2.20.1


             reply	other threads:[~2022-02-28  7:50 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-28  7:50 Dan Carpenter [this message]
2022-02-28  9:28 ` [PATCH] clk: imx: off by one in imx_lpcg_parse_clks_from_dt() Abel Vesa
2022-02-28 12:06 ` Abel Vesa

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20220228075014.GD13685@kili \
    --to=dan.carpenter@oracle.com \
    --cc=abel.vesa@nxp.com \
    --cc=aisheng.dong@nxp.com \
    --cc=festevam@gmail.com \
    --cc=kernel-janitors@vger.kernel.org \
    --cc=kernel@pengutronix.de \
    --cc=linux-clk@vger.kernel.org \
    --cc=linux-imx@nxp.com \
    --cc=mturquette@baylibre.com \
    --cc=s.hauer@pengutronix.de \
    --cc=sboyd@kernel.org \
    --cc=shawnguo@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.