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conf: Prevent crash of libvirtd without channel target name

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* src/conf/domain_conf.c (virDomainChannelDefCheckABIStability): avoid
  crashing libvirtd due to derefing a NULL pointer.

For details, please see bug:
RHBZ: https://bugzilla.redhat.com/show_bug.cgi?id=808371

Signed-off-by: Alex Jia <ajia@redhat.com>
This commit is contained in:
Alex Jia 2012-03-30 17:10:31 +08:00
parent ff68d6eeb5
commit 814fcb9e08
1 changed files with 2 additions and 2 deletions
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4
src/conf/domain_conf.c
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@ -9597,10 +9597,10 @@ static bool virDomainChannelDefCheckABIStability(virDomainChrDefPtr src,
switch (src->targetType) {
case VIR_DOMAIN_CHR_CHANNEL_TARGET_TYPE_VIRTIO:
if (STRNEQ(src->target.name, dst->target.name)) {
if (STRNEQ_NULLABLE(src->target.name, dst->target.name)) {
virDomainReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Target channel name %s does not match source %s"),
dst->target.name, src->target.name);
NULLSTR(dst->target.name), NULLSTR(src->target.name));
goto cleanup;
}
break;