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Subject[PATCH] clk: ux500: fix a possible off-by-one in u8500_prcc_reset_base()
Date
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>
---
drivers/clk/ux500/reset-prcc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/ux500/reset-prcc.c b/drivers/clk/ux500/reset-prcc.c
index fcd5d042806a..f7e48941fbc7 100644
--- a/drivers/clk/ux500/reset-prcc.c
+++ b/drivers/clk/ux500/reset-prcc.c
@@ -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];
--
2.25.1
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