[Xen-changelog] [xen-unstable] [PV-ON-HVM] Fix evtchn of unbind_from_irqhandler()

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir@xxxxxxxxxxxxx>
# Date 1194349755 0
# Node ID 6c218ca2db7ed41600ef9ed070b84038a6a602c4
# Parent  55b24410ebfc3984a4d17721d9ce20713b67ceaf
[PV-ON-HVM] Fix evtchn of unbind_from_irqhandler()

When xm block-detach command was done on PV-ON-HVM, the response of
other disks was lost. It is because a wrong event channel was
invalidated when detaching it. Not the evtchn number but the irq
number is invalidated specifying it.

Signed-off-by: Takanori Kasai <kasai.takanori@xxxxxxxxxxxxxx>
Signed-off-by: Tomonari Horikoshi <t.horikoshi@xxxxxxxxxxxxxx>
Signed-off-by: Kazuhiro Suzuki <kaz@xxxxxxxxxxxxxx>
---
 unmodified_drivers/linux-2.6/platform-pci/evtchn.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -r 55b24410ebfc -r 6c218ca2db7e 
unmodified_drivers/linux-2.6/platform-pci/evtchn.c
--- a/unmodified_drivers/linux-2.6/platform-pci/evtchn.c        Tue Nov 06 
09:43:22 2007 +0000
+++ b/unmodified_drivers/linux-2.6/platform-pci/evtchn.c        Tue Nov 06 
11:49:15 2007 +0000
@@ -223,7 +223,7 @@ void unbind_from_irqhandler(unsigned int
        evtchn = evtchn_from_irq(irq);
 
        if (is_valid_evtchn(evtchn)) {
-               evtchn_to_irq[irq] = -1;
+               evtchn_to_irq[evtchn] = -1;
                mask_evtchn(evtchn);
                if (irq_evtchn[irq].close) {
                        struct evtchn_close close = { .port = evtchn };

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