Commit 756975bb authored Jul 06, 2009 by Sheng Yang Committed by Avi Kivity Sep 10, 2009

KVM: Fix apic_mmio_write return for unaligned write



Some in-famous OS do unaligned writing for APIC MMIO, and the return value
has been missed in recent change, then the OS hangs.

Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

parent 70f93dae

arch/x86/kvm/lapic.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -834,7 +834,7 @@ static int apic_mmio_write(struct kvm_io_device *this,
		if (len != 4 \|\| (offset & 0xf)) {
		/* Don't shout loud, $infamous_os would cause only noise. */
		apic_debug("apic write: bad size=%d %lx\n", len, (long)address);
		return;
		return 0;
		}

		val = (u32)data;