[PATCH] clk: uniphier: Fix potential infinite loop

[Colin King]

From: Colin Ian King <colin.king@xxxxxxxxxxxxx>

The for-loop iterates with a u8 loop counter i and compares this
with the loop upper limit of num_parents that is an int type.
There is a potential infinite loop if num_parents is larger than
the u8 loop counter. Fix this by making the loop counter the same
type as num_parents.

Addresses-Coverity: ("Infinite loop")
Fixes: 734d82f4a678 ("clk: uniphier: add core support code for UniPhier clock driver")
Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
---
 drivers/clk/uniphier/clk-uniphier-mux.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/uniphier/clk-uniphier-mux.c b/drivers/clk/uniphier/clk-uniphier-mux.c
index 462c84321b2d..ce219e0d2a85 100644
--- a/drivers/clk/uniphier/clk-uniphier-mux.c
+++ b/drivers/clk/uniphier/clk-uniphier-mux.c
@@ -34,7 +34,7 @@ static u8 uniphier_clk_mux_get_parent(struct clk_hw *hw)
 	int num_parents = clk_hw_get_num_parents(hw);
 	int ret;
 	unsigned int val;
-	u8 i;
+	int i;
 
 	ret = regmap_read(mux->regmap, mux->reg, &val);
 	if (ret)
-- 
2.30.2