linux-kernel - [PATCH] clk: mux: remove redundant initialization of variable width

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Date:   Sun, 24 Apr 2022 19:22:27 +0100
From:   Colin Ian King <colin.i.king@...il.com>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, linux-clk@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] clk: mux: remove redundant initialization of variable width

Variable width is being ininitialized with a value that is never read.
The ininitializtion is redundant and can be removed. Move the variable
to the scope it is required.

Cleans up cppcheck warning:
Variable 'width' is assigned a value that is never used.

Signed-off-by: Colin Ian King <colin.i.king@...il.com>
---
 drivers/clk/clk-mux.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/clk-mux.c b/drivers/clk/clk-mux.c
index 214045f6e989..fa817c317c2a 100644
--- a/drivers/clk/clk-mux.c
+++ b/drivers/clk/clk-mux.c
@@ -157,11 +157,11 @@ struct clk_hw *__clk_hw_register_mux(struct device *dev, struct device_node *np,
 	struct clk_mux *mux;
 	struct clk_hw *hw;
 	struct clk_init_data init = {};
-	u8 width = 0;
 	int ret = -EINVAL;
 
 	if (clk_mux_flags & CLK_MUX_HIWORD_MASK) {
-		width = fls(mask) - ffs(mask) + 1;
+		u8 width = fls(mask) - ffs(mask) + 1;
+
 		if (width + shift > 16) {
 			pr_err("mux value exceeds LOWORD field\n");
 			return ERR_PTR(-EINVAL);
-- 
2.35.1