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qemu: avoid dereferencing a NULL pointer

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* src/qemu/qemu_process.c: Taking if (qemuDomainObjEndJob(driver, obj) == 0)
  true branch then 'obj' is NULL, virDomainObjIsActive(obj) and
  virDomainObjUnref(obj) will dereference NULL pointer.

Signed-off-by: Alex Jia <ajia@redhat.com>
This commit is contained in:
Alex Jia 2011-09-22 03:02:44 +08:00 committed by Eric Blake
parent 42b23434b0
commit d93a08eb47
1 changed files with 17 additions and 15 deletions
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2
src/qemu/qemu_process.c
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@ -2661,6 +2661,7 @@ error:
if (qemuDomainObjEndJob(driver, obj) == 0)
obj = NULL;
if (obj) {
if (!virDomainObjIsActive(obj)) {
if (virDomainObjUnref(obj) > 0)
virDomainObjUnlock(obj);
@ -2678,6 +2679,7 @@ error:
else
virDomainObjUnlock(obj);
}
}
qemuDriverUnlock(driver);
virConnectClose(conn);