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Message-Id: <a1c6aebe73fa86c171b9b14d3402aaf2abc24975.1443792303.git.jslaby@suse.cz>
Date: Fri, 2 Oct 2015 15:24:20 +0200
From: Jiri Slaby <jslaby@...e.cz>
To: stable@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
Dan Carpenter <dan.carpenter@...cle.com>,
Stephen Boyd <sboyd@...eaurora.org>,
Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 15/84] clk: versatile: off by one in clk_sp810_timerclken_of_get()
From: Dan Carpenter <dan.carpenter@...cle.com>
3.12-stable review patch. If anyone has any objections, please let me know.
===============
commit 3294bee87091be5f179474f6c39d1d87769635e2 upstream.
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@...cle.com>
Acked-by: Pawel Moll <pawel.moll@....com>
Signed-off-by: Stephen Boyd <sboyd@...eaurora.org>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
drivers/clk/versatile/clk-sp810.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/clk/versatile/clk-sp810.c b/drivers/clk/versatile/clk-sp810.c
index bf9b15a585e1..b9e05bde0c06 100644
--- a/drivers/clk/versatile/clk-sp810.c
+++ b/drivers/clk/versatile/clk-sp810.c
@@ -128,8 +128,8 @@ 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;
--
2.6.0
--
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