Messages in this thread Patch in this message | | | From | Hangyu Hua <> | Subject | [PATCH] clk: ux500: fix a possible off-by-one in u8500_prcc_reset_base() | Date | Wed, 18 May 2022 14:25:37 +0800 |
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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> --- 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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