netdev - [PATCH net-next 1/6] net: fec: add return value check after calling .of_property_read

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Date:   Tue, 11 Apr 2017 19:13:03 +0800
From:   Fugang Duan <fugang.duan@....com>
To:     <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>, <bhutchings@...arflare.com>,
        <stephen@...workplumber.org>, <fugang.duan@....com>
Subject: [PATCH net-next 1/6] net: fec: add return value check after calling .of_property_read_u32()

Add return value check after calling .of_property_read_u32() to avoid
the warning reported by coverity.

Signed-off-by: Fugang Duan <fugang.duan@....com>
---
 drivers/net/ethernet/freescale/fec_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 91a1664..886a9c9 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -3197,9 +3197,9 @@ static void fec_reset_phy(struct platform_device *pdev)
 	if (!np)
 		return;
 
-	of_property_read_u32(np, "phy-reset-duration", &msec);
+	err = of_property_read_u32(np, "phy-reset-duration", &msec);
 	/* A sane reset duration should not be longer than 1s */
-	if (msec > 1000)
+	if (!err && msec > 1000)
 		msec = 1;
 
 	phy_reset = of_get_named_gpio(np, "phy-reset-gpios", 0);
-- 
1.9.1