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authorAlexey Khoroshilov <khoroshilov@ispras.ru>2013-02-01 12:09:19 +0000
committerDavid S. Miller <davem@davemloft.net>2013-02-03 16:14:09 -0500
commit4f463855c7d5a0ed0faa62497f3006336e74ee16 (patch)
treeb58743cede54440e9065dd80486250f68b18b347
parent33397a71217dda91b436726f046d78525fd08b22 (diff)
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>
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
index 064eaac..19b3a25 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
@@ -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;