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qxl: Slot sanity check in qxl_phys2virt() is off by one, fix 

Spotted by Coverity.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
master
Markus Armbruster 2011-11-04 10:34:24 +01:00 committed by Gerd Hoffmann
parent 515aa3c579
commit 6b7332eb40
1 changed files with 1 additions and 1 deletions
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2
hw/qxl.c
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@ -1020,7 +1020,7 @@ void *qxl_phys2virt(PCIQXLDevice *qxl, QXLPHYSICAL pqxl, int group_id)
case MEMSLOT_GROUP_HOST:
return (void*)offset;
case MEMSLOT_GROUP_GUEST:
PANIC_ON(slot > NUM_MEMSLOTS);
PANIC_ON(slot >= NUM_MEMSLOTS);
PANIC_ON(!qxl->guest_slots[slot].active);
PANIC_ON(offset < qxl->guest_slots[slot].delta);
offset -= qxl->guest_slots[slot].delta;