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stmmac: don't return zero on failure path in stmmac_pci_probe() 

If stmmac_dvr_probe() fails in stmmac_pci_probe(), it breaks off initialization,
deallocates all resources, but returns zero.
The patch adds -ENODEV as return value in this case.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexey Khoroshilov 2013-02-01 12:09:19 +00:00 committed by David S. Miller
parent 33397a7121
commit 4f463855c7
1 changed files with 1 additions and 0 deletions
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1
drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
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@ -102,6 +102,7 @@ static int stmmac_pci_probe(struct pci_dev *pdev,
priv = stmmac_dvr_probe(&(pdev->dev), &plat_dat, addr);
if (!priv) {
pr_err("%s: main driver probe failed", __func__);
ret = -ENODEV;
goto err_out;
}
priv->dev->irq = pdev->irq;