From d41149145f98fe26dcd0bfd1d6cc095e6e041418 Mon Sep 17 00:00:00 2001 From: Ben Hutchings Date: Sat, 4 Feb 2017 16:56:56 +0000 Subject: [PATCH 1/1] catc: Combine failure cleanup code in catc_probe() Signed-off-by: Ben Hutchings Signed-off-by: David S. Miller --- drivers/net/usb/catc.c | 33 +++++++++++++++++---------------- 1 file changed, 17 insertions(+), 16 deletions(-) diff --git a/drivers/net/usb/catc.c b/drivers/net/usb/catc.c index 3daa41bdd4ea..985909eab72c 100644 --- a/drivers/net/usb/catc.c +++ b/drivers/net/usb/catc.c @@ -776,7 +776,7 @@ static int catc_probe(struct usb_interface *intf, const struct usb_device_id *id struct net_device *netdev; struct catc *catc; u8 broadcast[ETH_ALEN]; - int i, pktsz; + int i, pktsz, ret; if (usb_set_interface(usbdev, intf->altsetting->desc.bInterfaceNumber, 1)) { @@ -811,12 +811,8 @@ static int catc_probe(struct usb_interface *intf, const struct usb_device_id *id if ((!catc->ctrl_urb) || (!catc->tx_urb) || (!catc->rx_urb) || (!catc->irq_urb)) { dev_err(&intf->dev, "No free urbs available.\n"); - usb_free_urb(catc->ctrl_urb); - usb_free_urb(catc->tx_urb); - usb_free_urb(catc->rx_urb); - usb_free_urb(catc->irq_urb); - free_netdev(netdev); - return -ENOMEM; + ret = -ENOMEM; + goto fail_free; } /* The F5U011 has the same vendor/product as the netmate but a device version of 0x130 */ @@ -913,16 +909,21 @@ static int catc_probe(struct usb_interface *intf, const struct usb_device_id *id usb_set_intfdata(intf, catc); SET_NETDEV_DEV(netdev, &intf->dev); - if (register_netdev(netdev) != 0) { - usb_set_intfdata(intf, NULL); - usb_free_urb(catc->ctrl_urb); - usb_free_urb(catc->tx_urb); - usb_free_urb(catc->rx_urb); - usb_free_urb(catc->irq_urb); - free_netdev(netdev); - return -EIO; - } + ret = register_netdev(netdev); + if (ret) + goto fail_clear_intfdata; + return 0; + +fail_clear_intfdata: + usb_set_intfdata(intf, NULL); +fail_free: + usb_free_urb(catc->ctrl_urb); + usb_free_urb(catc->tx_urb); + usb_free_urb(catc->rx_urb); + usb_free_urb(catc->irq_urb); + free_netdev(netdev); + return ret; } static void catc_disconnect(struct usb_interface *intf) -- 2.39.2