提交 eea08abe 编写于 作者: E Eric Blake

network: avoid memory leak of dnsmasq capabilities

Valgrind detected a leak:

==17820== 102 (56 direct, 46 indirect) bytes in 1 blocks are definitely lost in loss record 479 of 646
==17820==    at 0x4A08946: calloc (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==17820==    by 0x508521A: virAllocVar (viralloc.c:560)
==17820==    by 0x50D9FCA: virObjectNew (virobject.c:193)
==17820==    by 0x50A4FD9: dnsmasqCapsNewEmpty (virdnsmasq.c:784)
==17820==    by 0x50A514E: dnsmasqCapsNewFromBinary (virdnsmasq.c:830)
==17820==    by 0x1B508287: networkStateInitialize (bridge_driver.c:666)

It looks like commit 172acef4 introduced the problem, because
networkGetDnsmasqCaps() increments the reference count but an
early exit never does a matching decrement.

* src/network/bridge_driver.c (networkStateCleanup): Plug leak.
Signed-off-by: NEric Blake <eblake@redhat.com>
上级 a9abc08d
......@@ -391,8 +391,8 @@ networkUpdateState(virNetworkObjPtr obj,
virObjectLock(obj);
if (!virNetworkObjIsActive(obj)) {
virObjectUnlock(obj);
return 0;
ret = 0;
goto cleanup;
}
switch (obj->def->forward.type) {
......
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