Message ID | 20200503144120.30038-1-peng.fan@nxp.com |
---|---|
State | Accepted |
Commit | d2b70205dd67f32427dde4f1a7a8966f4924dfad |
Delegated to: | Stefano Babic |
Headers | show
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Sun, 3 May 2020 14:18:22 +0000 From: Peng Fan <peng.fan@nxp.com> To: joe.hershberger@ni.com Cc: sbabic@denx.de, ccaione@baylibre.com, u-boot@lists.denx.de, uboot-imx@nxp.com, Peng Fan <peng.fan@nxp.com> Subject: [PATCH V2 1/8] net: eth-uclass: add return value check Date: Sun, 3 May 2020 22:41:13 +0800 Message-Id: <20200503144120.30038-1-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 Content-Type: text/plain X-ClientProxiedBy: SG2PR03CA0090.apcprd03.prod.outlook.com (2603:1096:4:7c::18) To DB6PR0402MB2760.eurprd04.prod.outlook.com (2603:10a6:4:a1::14) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from linux-1xn6.ap.freescale.net (119.31.174.71) by SG2PR03CA0090.apcprd03.prod.outlook.com (2603:1096:4:7c::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2979.14 via Frontend Transport; Sun, 3 May 2020 14:18:20 +0000 X-Mailer: git-send-email 2.16.4 X-Originating-IP: [119.31.174.71] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 33e689d3-2770-4584-d90f-08d7ef6cd633 X-MS-TrafficTypeDiagnostic: DB6PR0402MB2902:|DB6PR0402MB2902: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: <DB6PR0402MB29025D2C14C8B488FA43609288A90@DB6PR0402MB2902.eurprd04.prod.outlook.com> X-MS-Oob-TLC-OOBClassifiers: OLM:1751; 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[V2,1/8] net: eth-uclass: add return value check
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> Add return value check > Signed-off-by: Peng Fan <peng.fan@nxp.com> Applied to u-boot-imx, master, thanks ! Best regards, Stefano Babic
diff --git a/net/eth-uclass.c b/net/eth-uclass.c index 8bf2eabe90..950a48d520 100644 --- a/net/eth-uclass.c +++ b/net/eth-uclass.c @@ -40,8 +40,12 @@ static int eth_errno; static struct eth_uclass_priv *eth_get_uclass_priv(void) { struct uclass *uc; + int ret; + + ret = uclass_get(UCLASS_ETH, &uc); + if (ret) + return NULL; - uclass_get(UCLASS_ETH, &uc); assert(uc); return uc->priv; } @@ -102,6 +106,7 @@ struct udevice *eth_get_dev_by_name(const char *devname) struct udevice *it; struct uclass *uc; int len = strlen("eth"); + int ret; /* Must be longer than 3 to be an alias */ if (!strncmp(devname, "eth", len) && strlen(devname) > len) { @@ -109,7 +114,10 @@ struct udevice *eth_get_dev_by_name(const char *devname) seq = simple_strtoul(startp, &endp, 10); } - uclass_get(UCLASS_ETH, &uc); + ret = uclass_get(UCLASS_ETH, &uc); + if (ret) + return NULL; + uclass_foreach_dev(it, uc) { /* * We need the seq to be valid, so try to probe it.
Add return value check Signed-off-by: Peng Fan <peng.fan@nxp.com> --- net/eth-uclass.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-)