linux-kernel - [PATCH 4.19 020/170] net: stmmac: Fix an error code in probe()

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Message-Id: <20190107104455.429287665@linuxfoundation.org>
Date:   Mon,  7 Jan 2019 13:30:47 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Dan Carpenter <dan.carpenter@...cle.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 4.19 020/170] net: stmmac: Fix an error code in probe()

4.19-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dan Carpenter <dan.carpenter@...cle.com>

[ Upstream commit b26322d2ac6c1c1087af73856531bb836f6963ca ]

The function should return an error if create_singlethread_workqueue()
fails.

Fixes: 34877a15f787 ("net: stmmac: Rework and fix TX Timeout code")
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -4247,6 +4247,7 @@ int stmmac_dvr_probe(struct device *devi
 	priv->wq = create_singlethread_workqueue("stmmac_wq");
 	if (!priv->wq) {
 		dev_err(priv->device, "failed to create workqueue\n");
+		ret = -ENOMEM;
 		goto error_wq;
 	}