cpu_freq_select is used as array subscript, thus the valid value range is 0 ... ARRAY_SIZE() - 1.
Signed-off-by: Axel Lin <axel....@ingics.com> --- drivers/clk/mvebu/clk-core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/clk/mvebu/clk-core.c b/drivers/clk/mvebu/clk-core.c index 1b4e333..0a53edb 100644 --- a/drivers/clk/mvebu/clk-core.c +++ b/drivers/clk/mvebu/clk-core.c @@ -156,7 +156,7 @@ static u32 __init armada_370_get_cpu_freq(void __iomem *sar) cpu_freq_select = ((readl(sar) >> SARL_A370_PCLK_FREQ_OPT) & SARL_A370_PCLK_FREQ_OPT_MASK); - if (cpu_freq_select > ARRAY_SIZE(armada_370_cpu_frequencies)) { + if (cpu_freq_select >= ARRAY_SIZE(armada_370_cpu_frequencies)) { pr_err("CPU freq select unsupported %d\n", cpu_freq_select); cpu_freq = 0; } else @@ -278,7 +278,7 @@ static u32 __init armada_xp_get_cpu_freq(void __iomem *sar) cpu_freq_select |= (((readl(sar+4) >> SARH_AXP_PCLK_FREQ_OPT) & SARH_AXP_PCLK_FREQ_OPT_MASK) << SARH_AXP_PCLK_FREQ_OPT_SHIFT); - if (cpu_freq_select > ARRAY_SIZE(armada_xp_cpu_frequencies)) { + if (cpu_freq_select >= ARRAY_SIZE(armada_xp_cpu_frequencies)) { pr_err("CPU freq select unsupported: %d\n", cpu_freq_select); cpu_freq = 0; } else -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/