[PATCH 6.0 1064/1073] net: stmmac: fix errno when create_singlethread_workqueue() fails

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From: Gaosheng Cui <cuigaosheng1@xxxxxxxxxx>

commit 2cb815cfc78b137ee38bcd65e7c955d6cc2cc250 upstream.

We should set the return value to -ENOMEM explicitly when
create_singlethread_workqueue() fails in stmmac_dvr_probe(),
otherwise we'll lose the error value.

Fixes: a137f3f27f92 ("net: stmmac: fix possible memory leak in stmmac_dvr_probe()")
Signed-off-by: Gaosheng Cui <cuigaosheng1@xxxxxxxxxx>
Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20221214080117.3514615-1-cuigaosheng1@xxxxxxxxxx
Signed-off-by: Paolo Abeni <pabeni@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 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
@@ -7115,6 +7115,7 @@ 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_init;
 	}
 





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