From bea0b66efa654aee810d0f1791e8f3264bbc2eb9 Mon Sep 17 00:00:00 2001 From: Hangyu Hua 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 Link: https://lore.kernel.org/r/20220518062537.17933-1-hbh25y@gmail.com Reviewed-by: Linus Walleij Signed-off-by: Stephen Boyd --- 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