diff options
| author | Marc Pignat <marc.pignat@hevs.ch> | 2007-10-26 17:04:39 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-11-16 09:25:37 -0800 |
| commit | d866afcb920d41f24277e0986565a22e164e2720 (patch) | |
| tree | b32774647ced0b3867d45bdaf1999b804aef3535 | |
| parent | 90218467107c97a0b05aac332325f18e05b649e1 (diff) | |
| download | lwn-d866afcb920d41f24277e0986565a22e164e2720.tar.gz lwn-d866afcb920d41f24277e0986565a22e164e2720.zip | |
zd1211rw, fix oops when ejecting install media
patch e0579d576cb894a4cf3c5af04fbf38e8c1281738 in mainline.
The disconnect function can dereference the net_device structure when it
is never allocated. This is the case when ejecting the device installer.
Signed-off-by: Marc Pignat <marc.pignat@hevs.ch>
Acked-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/net/wireless/zd1211rw/zd_usb.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c index a9c339ef116a..53263015c8f1 100644 --- a/drivers/net/wireless/zd1211rw/zd_usb.c +++ b/drivers/net/wireless/zd1211rw/zd_usb.c @@ -1041,14 +1041,17 @@ error: static void disconnect(struct usb_interface *intf) { struct net_device *netdev = zd_intf_to_netdev(intf); - struct zd_mac *mac = zd_netdev_mac(netdev); - struct zd_usb *usb = &mac->chip.usb; + struct zd_mac *mac; + struct zd_usb *usb; /* Either something really bad happened, or we're just dealing with * a DEVICE_INSTALLER. */ if (netdev == NULL) return; + mac = zd_netdev_mac(netdev); + usb = &mac->chip.usb; + dev_dbg_f(zd_usb_dev(usb), "\n"); zd_netdev_disconnect(netdev); |