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Cope with missing /sys/devices/system/cpu/cpu0/topology files
Not all kernel builds have any entries under the location /sys/devices/system/cpu/cpu0/topology. We already cope with that being missing in some cases, but not all. Update the code which looks for thread_siblings to cope with the missing file Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
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@ -168,6 +168,12 @@ virNodeCountThreadSiblings(const char *dir, unsigned int cpu)
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pathfp = fopen(path, "r");
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if (pathfp == NULL) {
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/* If file doesn't exist, then pretend our only
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* sibling is ourself */
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if (errno == ENOENT) {
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VIR_FREE(path);
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return 1;
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}
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virReportSystemError(errno, _("cannot open %s"), path);
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VIR_FREE(path);
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return 0;
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