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clk: ux500: fix a possible off-by-one in u8500_prcc_reset_base()

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Off-by-one will happen when index == ARRAY_SIZE(ur->base).

Fixes: b14cbdfd467d ("clk: ux500: Add driver for the reset portions of PRCC")
Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
Link: https://lore.kernel.org/r/20220518062537.17933-1-hbh25y@gmail.com
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Hangyu Hua 2022-05-18 14:25:37 +08:00 committed by Stephen Boyd
parent 639d5661cc
commit bea0b66efa
1 changed files with 1 additions and 1 deletions
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2
drivers/clk/ux500/reset-prcc.c
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@ -58,7 +58,7 @@ static void __iomem *u8500_prcc_reset_base(struct u8500_prcc_reset *ur,
prcc_num = id / PRCC_PERIPHS_PER_CLUSTER;
index = prcc_num_to_index(prcc_num);
if (index > ARRAY_SIZE(ur->base))
if (index >= ARRAY_SIZE(ur->base))
return NULL;
return ur->base[index];