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由 John Ferlan 提交于
Coverity complains that many other callers to return err from virGetLastError() will check if err is not NULL before dereferencing it. Just do the same here for safety.
f7212f6b
Coverity complains that many other callers to return err from virGetLastError() will check if err is not NULL before dereferencing it. Just do the same here for safety.