From: Dan Carpenter <dan.carpenter@oracle.com>
To: Michael Turquette <mturquette@baylibre.com>,
Pawel Moll <pawel.moll@arm.com>
Cc: Stephen Boyd <sboyd@codeaurora.org>,
Linus Walleij <linus.walleij@linaro.org>,
linux-clk@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: [patch] clk: versatile: off by one in clk_sp810_timerclken_of_get()
Date: Wed, 29 Jul 2015 13:17:06 +0300 [thread overview]
Message-ID: <20150729101705.GB12100@mwanda> (raw)
The ">" should be ">=" or we end up reading beyond the end of the array.
Fixes: 6e973d2c4385 ('clk: vexpress: Add separate SP810 driver')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
diff --git a/drivers/clk/versatile/clk-sp810.c b/drivers/clk/versatile/clk-sp810.c
index 64b0129..7fbe4d4 100644
--- a/drivers/clk/versatile/clk-sp810.c
+++ b/drivers/clk/versatile/clk-sp810.c
@@ -129,8 +129,8 @@ static struct clk *clk_sp810_timerclken_of_get(struct of_phandle_args *clkspec,
{
struct clk_sp810 *sp810 = data;
- if (WARN_ON(clkspec->args_count != 1 || clkspec->args[0] >
- ARRAY_SIZE(sp810->timerclken)))
+ if (WARN_ON(clkspec->args_count != 1 ||
+ clkspec->args[0] >= ARRAY_SIZE(sp810->timerclken)))
return NULL;
return sp810->timerclken[clkspec->args[0]].clk;
next reply other threads:[~2015-07-29 10:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-29 10:17 Dan Carpenter [this message]
2015-07-29 14:09 ` [patch] clk: versatile: off by one in clk_sp810_timerclken_of_get() Pawel Moll
2015-07-29 18:25 ` Stephen Boyd
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=20150729101705.GB12100@mwanda \
--to=dan.carpenter@oracle.com \
--cc=kernel-janitors@vger.kernel.org \
--cc=linus.walleij@linaro.org \
--cc=linux-clk@vger.kernel.org \
--cc=mturquette@baylibre.com \
--cc=pawel.moll@arm.com \
--cc=sboyd@codeaurora.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).