netdev - [PATCH net-next 1/2] net: stmmac: xgmac: Fix missing return

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Message-Id: <19e465556983a8c758781c4ac90d237fd7f007ba.1578669088.git.Jose.Abreu@synopsys.com>
Date:   Fri, 10 Jan 2020 16:13:34 +0100
From:   Jose Abreu <Jose.Abreu@...opsys.com>
To:     netdev@...r.kernel.org
Cc:     Joao Pinto <Joao.Pinto@...opsys.com>,
        Jose Abreu <Jose.Abreu@...opsys.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Jose Abreu <Jose.Abreu@...opsys.com>,
        "David S. Miller" <davem@...emloft.net>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH net-next 1/2] net: stmmac: xgmac: Fix missing return

If FPE is supposed to be disabled we need to return after disabling it.

Fixes: f0e56c8d8f7d ("net: stmmac: xgmac3+: Add support for Frame Preemption")
Signed-off-by: Jose Abreu <Jose.Abreu@...opsys.com>

---
Cc: Giuseppe Cavallaro <peppe.cavallaro@...com>
Cc: Alexandre Torgue <alexandre.torgue@...com>
Cc: Jose Abreu <joabreu@...opsys.com>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: Maxime Coquelin <mcoquelin.stm32@...il.com>
Cc: netdev@...r.kernel.org
Cc: linux-stm32@...md-mailman.stormreply.com
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
---
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
index 307105e8dea0..2af3ac5409b7 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
@@ -1421,6 +1421,7 @@ static void dwxgmac3_fpe_configure(void __iomem *ioaddr, u32 num_txq,
 		value &= ~XGMAC_EFPE;
 
 		writel(value, ioaddr + XGMAC_FPE_CTRL_STS);
+		return;
 	}
 
 	value = readl(ioaddr + XGMAC_RXQ_CTRL1);
-- 
2.7.4