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xenconfig: fix xml to xl.cfg conversion with no graphics

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If no graphics element is in XML xenFormatXLSpice will access
graphics without checking it has one in the first place, leading to a
segmentation fault.

Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
This commit is contained in:
Joao Martins 2017-02-08 12:32:36 +00:00 committed by Jim Fehlig
parent b7feabbfdc
commit 91ac80a986
1 changed files with 1 additions and 1 deletions
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src/xenconfig/xen_xl.c
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@ -1168,7 +1168,7 @@ xenFormatXLSpice(virConfPtr conf, virDomainDefPtr def)
virDomainGraphicsListenDefPtr glisten;
virDomainGraphicsDefPtr graphics;
if (def->os.type == VIR_DOMAIN_OSTYPE_HVM) {
if (def->os.type == VIR_DOMAIN_OSTYPE_HVM && def->graphics) {
graphics = def->graphics[0];
if (graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_SPICE) {