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clk: ux500: fix a possible off-by-one in u8500_prcc_reset_base()
author
Hangyu Hua
<hbh25y@gmail.com>
Wed, 18 May 2022 06:25:37 +0000
(14:25 +0800)
committer
Stephen Boyd
<sboyd@kernel.org>
Wed, 18 May 2022 20:34:03 +0000
(13:34 -0700)
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
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diff --git
a/drivers/clk/ux500/reset-prcc.c
b/drivers/clk/ux500/reset-prcc.c
index
fcd5d04
..
f7e4894
100644
(file)
--- 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];