lguest: Read length of device_cap later
authorPaul Bolle <pebolle@tiscali.nl>
Thu, 3 Mar 2016 12:01:40 +0000 (13:01 +0100)
committerThomas Gleixner <tglx@linutronix.de>
Fri, 10 Jun 2016 09:39:09 +0000 (11:39 +0200)
commit7faf90ef995ea470f32f43810266ece8ac8ba6c7
tree06f5b451c84c9ad10bd6770ddd7e56ac2e736f2c
parent0145071b33142cbccffb51486b1ce921677b1d2d
lguest: Read length of device_cap later

Read the length of the capability with type VIRTIO_PCI_CAP_DEVICE_CFG
only when we're sure we're going to need it. Which is just before the
check whether the virtio console actually has an emerg_wr field.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: lguest@lists.ozlabs.org
Link: http://lkml.kernel.org/r/1457006501-5377-2-git-send-email-pebolle@tiscali.nl
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
arch/x86/lguest/boot.c