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util: Prevent libvirtd crash from virNetDevOpenvswitchAddPort()

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* src/util/virnetdevopenvswitch.c (virNetDevOpenvswitchAddPort): avoid libvirtd
crash due to derefing a NULL virtVlan->tag.

RHBZ: https://bugzilla.redhat.com/show_bug.cgi?id=852383

Signed-off-by: Alex Jia <ajia@redhat.com>
This commit is contained in:
Alex Jia 2012-08-29 10:56:04 +08:00
parent 6fd1708fad
commit 83b85e3e8f
1 changed files with 1 additions and 1 deletions
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2
src/util/virnetdevopenvswitch.c
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@ -99,7 +99,7 @@ int virNetDevOpenvswitchAddPort(const char *brname, const char *ifname,
virBufferAddLit(buf, ",");
virBufferAsprintf(buf, "%d", virtVlan->tag[i]);
}
} else {
} else if (virtVlan->nTags) {
virBufferAsprintf(buf, "tag=%d", virtVlan->tag[0]);
}
}