[PATCH] GMAC: fix simple_return.cocci warnings

[kbuild test robot]

drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c:425:1-4: WARNING: end returns can be simpified

 Simplify a trivial if-return sequence.  Possibly combine with a
 preceding function call.
Generated by: scripts/coccinelle/misc/simple_return.cocci

CC: Roger Chen <roger.chen@xxxxxxxxxxxxxx>
Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---

 dwmac-rk.c |    6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
@@ -422,11 +422,7 @@ static int rk_gmac_init(struct platform_
 	if (ret)
 		return ret;
 
-	ret = gmac_clk_enable(bsp_priv, true);
-	if (ret)
-		return ret;
-
-	return 0;
+	return gmac_clk_enable(bsp_priv, true);
 }
 
 static void rk_gmac_exit(struct platform_device *pdev, void *priv)
--
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