Calls to qemuDomainDiskChainElementPrepare resets the original error,
thus we need to save it in the cleanup path of qemuDomainBlockCommit.
---
src/qemu/qemu_driver.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 0cf4aaa95..4f62c1a7a 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -17270,10 +17270,16 @@ qemuDomainBlockCommit(virDomainPtr dom,
endjob:
if (ret < 0 && clean_access) {
+ virErrorPtr orig_err = virSaveLastError();
/* Revert access to read-only, if possible. */
qemuDomainDiskChainElementPrepare(driver, vm, baseSource, true);
if (top_parent && top_parent != disk->src)
qemuDomainDiskChainElementPrepare(driver, vm, top_parent, true);
+
+ if (orig_err) {
+ virSetError(orig_err);
+ virFreeError(orig_err);
+ }
}
virStorageSourceFree(mirror);
qemuDomainObjEndJob(driver, vm);
--
2.12.2
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