linux-kernel - [PATCH net 16/18] net/ena: fix error handling when probe fails

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Message-Id: <1479631547-29354-17-git-send-email-netanel@annapurnalabs.com>
Date:   Sun, 20 Nov 2016 10:45:45 +0200
From:   Netanel Belgazal <netanel@...apurnalabs.com>
To:     linux-kernel@...r.kernel.org, davem@...emloft.net,
        netdev@...r.kernel.org
Cc:     Netanel Belgazal <netanel@...apurnalabs.com>, dwmw@...zon.com,
        zorik@...apurnalabs.com, alex@...apurnalabs.com,
        saeed@...apurnalabs.com, msw@...zon.com, aliguori@...zon.com,
        nafea@...apurnalabs.com
Subject: [PATCH net 16/18] net/ena: fix error handling when probe fails

When driver fails in probe, it will release all resources, including
adapter.
In case of probe failure, ena_remove should not try to free the adapter
resources.

Signed-off-by: Netanel Belgazal <netanel@...apurnalabs.com>
---
 drivers/net/ethernet/amazon/ena/ena_netdev.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index bff082a..ba395aa 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -3179,6 +3179,7 @@ static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 err_free_region:
 	ena_release_bars(ena_dev, pdev);
 err_free_ena_dev:
+	pci_set_drvdata(pdev, NULL);
 	vfree(ena_dev);
 err_disable_device:
 	pci_disable_device(pdev);
-- 
1.9.1