Commit bea0b66e authored by Hangyu Hua's avatar Hangyu Hua Committed by Stephen Boyd
Browse files

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: b14cbdfd ("clk: ux500: Add driver for the reset portions of PRCC")
Signed-off-by: default avatarHangyu Hua <hbh25y@gmail.com>
Link: https://lore.kernel.org/r/20220518062537.17933-1-hbh25y@gmail.com


Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarStephen Boyd <sboyd@kernel.org>
parent 639d5661

drivers/clk/ux500/reset-prcc.c

+1 −1
Original line number Diff line number Diff line
@@ -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];