net: stmmac: Fix an error code in probe()

[ 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@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 99ea5c4..2103b86 100644 (file)
--- 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 *device,
        priv->wq = create_singlethread_workqueue("stmmac_wq");
        if (!priv->wq) {
                dev_err(priv->device, "failed to create workqueue\n");
+               ret = -ENOMEM;
                goto error_wq;
        }