2013-02-02 20:47:37 +00:00
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From 8502c47123cbbb2f81b751780bdc8bc2fd3024ca Mon Sep 17 00:00:00 2001
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2013-01-21 15:09:24 +00:00
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From: Alon Levy <alevy@redhat.com>
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Date: Wed, 3 Oct 2012 20:13:58 +0200
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2013-02-02 20:47:37 +00:00
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Subject: [PATCH] hw/qxl: exit on failure to register qxl interface
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2013-01-21 15:09:24 +00:00
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This prevents a segfault later on when the device reset handler
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tries to access a NULL ssd.worker since interface_attach_worker has
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not been called.
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Signed-off-by: Alon Levy <alevy@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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---
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hw/qxl.c | 6 +++++-
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1 file changed, 5 insertions(+), 1 deletion(-)
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diff --git a/hw/qxl.c b/hw/qxl.c
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index 8d33745..db6440e 100644
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--- a/hw/qxl.c
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+++ b/hw/qxl.c
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@@ -2035,7 +2035,11 @@ static int qxl_init_common(PCIQXLDevice *qxl)
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qxl->ssd.qxl.base.sif = &qxl_interface.base;
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qxl->ssd.qxl.id = qxl->id;
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- qemu_spice_add_interface(&qxl->ssd.qxl.base);
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+ if (qemu_spice_add_interface(&qxl->ssd.qxl.base) != 0) {
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+ error_report("qxl interface %d.%d not supported by spice-server\n",
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+ SPICE_INTERFACE_QXL_MAJOR, SPICE_INTERFACE_QXL_MINOR);
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+ return -1;
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+ }
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qemu_add_vm_change_state_handler(qxl_vm_change_state_handler, qxl);
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init_pipe_signaling(qxl);
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