lguest: Read length of device_cap later

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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>

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Paul Bolle 2016-03-03 13:01:40 +01:00 • committed by Thomas Gleixner

parent 0145071b33

commit 7faf90ef99

1 changed files with 3 additions and 4 deletions

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arch/x86/lguest/boot.c

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