From bea0b66efa654aee810d0f1791e8f3264bbc2eb9 Mon Sep 17 00:00:00 2001
From: Hangyu Hua <hbh25y@gmail.com>
Date: Wed, 18 May 2022 14:25:37 +0800
Subject: clk: ux500: fix a possible off-by-one in u8500_prcc_reset_base()
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>
---
drivers/clk/ux500/reset-prcc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
(limited to 'drivers/clk/ux500')
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];
--
cgit