diff mbox series

[v2,01/10] net: ethernet: ixgbe: check the return value of ixgbe_mii_bus_init()

Message ID 20200629120346.4382-2-brgl@bgdev.pl (mailing list archive)
State New, archived
Headers show
Series net: improve devres helpers | expand

Commit Message

Bartosz Golaszewski June 29, 2020, 12:03 p.m. UTC
From: Bartosz Golaszewski <bgolaszewski@baylibre.com>

This function may fail. Check its return value and propagate the error
code.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

Comments

Florian Fainelli June 29, 2020, 4:57 p.m. UTC | #1
On 6/29/2020 5:03 AM, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
> 
> This function may fail. Check its return value and propagate the error
> code.
> 
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>

Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Kirsher, Jeffrey T June 29, 2020, 5:17 p.m. UTC | #2
> -----Original Message-----
> From: Bartosz Golaszewski <brgl@bgdev.pl>
> Sent: Monday, June 29, 2020 05:04
> To: Kirsher, Jeffrey T <jeffrey.t.kirsher@intel.com>; David S . Miller
> <davem@davemloft.net>; Jakub Kicinski <kuba@kernel.org>; John Crispin
> <john@phrozen.org>; Sean Wang <sean.wang@mediatek.com>; Mark Lee
> <Mark-MC.Lee@mediatek.com>; Matthias Brugger
> <matthias.bgg@gmail.com>; Heiner Kallweit <hkallweit1@gmail.com>; Andrew
> Lunn <andrew@lunn.ch>; Florian Fainelli <f.fainelli@gmail.com>; Russell King
> <linux@armlinux.org.uk>; Rob Herring <robh+dt@kernel.org>; Frank Rowand
> <frowand.list@gmail.com>
> Cc: linux-kernel@vger.kernel.org; netdev@vger.kernel.org; linux-arm-
> kernel@lists.infradead.org; linux-mediatek@lists.infradead.org;
> devicetree@vger.kernel.org; Bartosz Golaszewski
> <bgolaszewski@baylibre.com>
> Subject: [PATCH v2 01/10] net: ethernet: ixgbe: check the return value of
> ixgbe_mii_bus_init()
> 
> From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
> 
> This function may fail. Check its return value and propagate the error code.
> 
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
 
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

> ---
>  drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 97a423ecf808..8752b5eea091 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -11175,10 +11175,14 @@  static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 			IXGBE_LINK_SPEED_10GB_FULL | IXGBE_LINK_SPEED_1GB_FULL,
 			true);
 
-	ixgbe_mii_bus_init(hw);
+	err = ixgbe_mii_bus_init(hw);
+	if (err)
+		goto err_netdev;
 
 	return 0;
 
+err_netdev:
+	unregister_netdev(netdev);
 err_register:
 	ixgbe_release_hw_control(adapter);
 	ixgbe_clear_interrupt_scheme(adapter);