KVM: fix error handling for out of range irq
authorMichael S. Tsirkin <mst@redhat.com>
Wed, 18 Jan 2012 18:07:09 +0000 (20:07 +0200)
committerAvi Kivity <avi@redhat.com>
Mon, 5 Mar 2012 12:52:43 +0000 (14:52 +0200)
commitb93a35532767a2cf78bdbc88730d5c28aa66b941
tree604c5c62ed765b1059735056a01c18020b0e4c26
parente2358851efbcdc34583ee11971a6e4d587ea8bf9
KVM: fix error handling for out of range irq

find_index_from_host_irq returns 0 on error
but callers assume < 0 on error. This should
not matter much: an out of range irq should never happen since
irq handler was registered with this irq #,
and even if it does we get a spurious msix irq in guest
and typically nothing terrible happens.

Still, better to make it consistent.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
virt/kvm/assigned-dev.c