robin.thoni/ipxe - git rthoni.com

Michael Brown f17a30d547 [netdevice] Mark devices as open before calling open() method When opening a VLAN device, vlan_open() will call netdev_open() on the trunk device. This will result in a call to netdev_notify(), which will cause vlan_notify() to call vlan_sync() on the original VLAN device, which will see that the trunk device is now open but the VLAN device apparently isn't (since it has not yet been flagged as open by netdev_open()). The upshot is a second attempt to open the VLAN device, which will result in an erroneous second call to vlan_open(). This convoluted chain of events then terminates harmlessly since vlan_open() calls netdev_open() on the trunk device, which just returns immediately since the trunk device is by now flagged as being already open. Prevent this from happening by having netdev_open() flag the device as open prior to calling the device's open() method, and reflagging it as closed if the open() method fails. Originally-fixed-by: Wissam Shoukair <wissams@mellanox.com> Signed-off-by: Michael Brown <mcb30@ipxe.org>		11 vuotta sitten
contrib	[errdb] Strip platform error code for non-platform-generated errors	11 vuotta sitten
src	[netdevice] Mark devices as open before calling open() method	11 vuotta sitten
COPYING	Initial revision	19 vuotta sitten
COPYRIGHTS	[build] Rename gPXE to iPXE	14 vuotta sitten
README	[doc] Re-add README file	14 vuotta sitten

iPXE README File

Quick start guide:

   cd src
   make

For any more detailed instructions, see http://ipxe.org