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virtio-gpu: fix ui idx check

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Fix off-by-one value check (0 is the first scanout).

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1463653560-26958-7-git-send-email-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Marc-André Lureau 2016-05-19 12:26:00 +02:00 committed by Gerd Hoffmann
parent acfc484650
commit 6b860806c0
1 changed files with 1 additions and 1 deletions
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2
hw/display/virtio-gpu.c
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@ -879,7 +879,7 @@ static int virtio_gpu_ui_info(void *opaque, uint32_t idx, QemuUIInfo *info)
{
VirtIOGPU *g = opaque;
if (idx > g->conf.max_outputs) {
if (idx >= g->conf.max_outputs) {
return -1;
}