[SRU] [A/B/linux-oem] [PATCH 4/7] r8169: remove netif_napi_del in probe error path

Kai-Heng Feng kai.heng.feng at canonical.com
Wed Mar 21 13:08:11 UTC 2018


From: Heiner Kallweit <hkallweit1 at gmail.com>

BugLink: https://bugs.launchpad.net/bugs/1757422

netif_napi_del is called implicitely by free_netdev, therefore we
don't have to do it explicitely.

When the probe error path is reached, the net_device isn't
registered yet. Therefore reordering the call to netif_napi_del
shouldn't cause any issues.

Signed-off-by: Heiner Kallweit <hkallweit1 at gmail.com>
Signed-off-by: David S. Miller <davem at davemloft.net>
(cherry picked from commit 4cf964af0a7238f9d9dbebf4ec70a415ff5164e5)
Signed-off-by: Kai-Heng Feng <kai.heng.feng at canonical.com>
---
 drivers/net/ethernet/realtek/r8169.c | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index fa29d197aafb..318c08835863 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -8433,14 +8433,12 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	tp->counters = dmam_alloc_coherent (&pdev->dev, sizeof(*tp->counters),
 					    &tp->counters_phys_addr,
 					    GFP_KERNEL);
-	if (!tp->counters) {
-		rc = -ENOMEM;
-		goto err_out_msi_5;
-	}
+	if (!tp->counters)
+		return -ENOMEM;
 
 	rc = register_netdev(dev);
 	if (rc < 0)
-		goto err_out_msi_5;
+		return rc;
 
 	pci_set_drvdata(pdev, dev);
 
@@ -8470,11 +8468,6 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	netif_carrier_off(dev);
 
 	return 0;
-
-err_out_msi_5:
-	netif_napi_del(&tp->napi);
-
-	return rc;
 }
 
 static struct pci_driver rtl8169_pci_driver = {
-- 
2.15.1





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