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clk: versatile: off by one in clk_sp810_timerclken_of_get()

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commit 3294bee870 upstream.

The ">" should be ">=" or we end up reading beyond the end of the array.

Fixes: 6e973d2c43 ('clk: vexpress: Add separate SP810 driver')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter
2015-07-29 13:17:06 +03:00
committed by Greg Kroah-Hartman
parent 30840a6068
commit 77ec29edce
1 changed files with 2 additions and 2 deletions
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4
drivers/clk/versatile/clk-sp810.c
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@@ -128,8 +128,8 @@ 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;