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: b14cbdf ("clk: ux500: Add driver for the reset portions of PRCC") Signed-off-by: Hangyu Hua <[email protected]> Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Linus Walleij <[email protected]> Signed-off-by: Stephen Boyd <[email protected]>
wafgo · May 18, 2022 · bea0b66 · bea0b66
1 parent 639d566
commit bea0b66
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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];