clk: Remove unused variable

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

drivers/clk/clk.c

@@ -1501,7 +1501,6 @@ static int clk_core_set_rate_nolock(struct clk_core *core,
 {
 	struct clk_core *top, *fail_clk;
 	unsigned long rate = req_rate;
-	int ret = 0;
 
 	if (!core)
 		return 0;
@@ -1532,7 +1531,7 @@ static int clk_core_set_rate_nolock(struct clk_core *core,
 
 	core->req_rate = req_rate;
 
-	return ret;
+	return 0;
 }
 
 /**