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Do not crash on gluster snapshots with no host name
virStorageFileBackendGlusterInit did not check nhosts. https://bugzilla.redhat.com/show_bug.cgi?id=1162974 (cherry picked from commit b66288faaba68e22a2876029872ddadf1794bda8)
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@ -571,9 +571,17 @@ virStorageFileBackendGlusterInit(virStorageSourcePtr src)
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{
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virStorageFileBackendGlusterPrivPtr priv = NULL;
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virStorageNetHostDefPtr host = &(src->hosts[0]);
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const char *hostname = host->name;
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const char *hostname;
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int port = 0;
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if (src->nhosts != 1) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("Expected exactly 1 host for the gluster volume"));
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return -1;
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}
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hostname = host->name;
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VIR_DEBUG("initializing gluster storage file %p (gluster://%s:%s/%s%s)",
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src, hostname, host->port ? host->port : "0",
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NULLSTR(src->volume), src->path);
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