net: bcm63xx: Don't check clk_free

This function always succeeds, so don't check its return value.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Link: https://lore.kernel.org/r/20220115222504.617013-4-seanga2@gmail.com
diff --git a/drivers/net/bcm6368-eth.c b/drivers/net/bcm6368-eth.c
index 29abe7f..c2a8b9f 100644
--- a/drivers/net/bcm6368-eth.c
+++ b/drivers/net/bcm6368-eth.c
@@ -546,11 +546,7 @@
 			return ret;
 		}
 
-		ret = clk_free(&clk);
-		if (ret < 0) {
-			pr_err("%s: error freeing clock %d\n", __func__, i);
-			return ret;
-		}
+		clk_free(&clk);
 	}
 
 	/* try to perform resets */