Re: [PATCH] clk: socfpga: remove set but not used variable 'rc'

From: yukuai (C)
Date: Sat May 29 2021 - 05:06:49 EST


ping ...

On 2021/05/14 23:11, Dinh Nguyen wrote:


On 5/14/21 1:22 AM, Yu Kuai wrote:
Fixes gcc '-Wunused-but-set-variable' warning:

drivers/clk/socfpga/clk-pll.c:83:6: warning: variable ‘rc’ set but
not used [-Wunused-but-set-variable]

The returned value of of_clk_add_provider() is never used, and so
can be removed.

Fixes: 97259e99bdc9 ("clk: socfpga: split clk code")
Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>
---
  drivers/clk/socfpga/clk-pll.c | 3 +--
  1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/clk/socfpga/clk-pll.c b/drivers/clk/socfpga/clk-pll.c
index dcb573d44034..127cc849c5ee 100644
--- a/drivers/clk/socfpga/clk-pll.c
+++ b/drivers/clk/socfpga/clk-pll.c
@@ -80,7 +80,6 @@ static __init struct clk_hw *__socfpga_pll_init(struct device_node *node,
      const char *parent_name[SOCFPGA_MAX_PARENTS];
      struct clk_init_data init;
      struct device_node *clkmgr_np;
-    int rc;
      int err;
      of_property_read_u32(node, "reg", &reg);
@@ -114,7 +113,7 @@ static __init struct clk_hw *__socfpga_pll_init(struct device_node *node,
          kfree(pll_clk);
          return ERR_PTR(err);
      }
-    rc = of_clk_add_provider(node, of_clk_src_simple_get, hw_clk);
+    of_clk_add_provider(node, of_clk_src_simple_get, hw_clk);
      return hw_clk;
  }


Acked-by: Dinh Nguyen <dinguyen@xxxxxxxxxx>
.