9:20 p.m.
The @meminfo allocated in qemuMonitorGetMemoryDeviceInfo may be lost when
exit monitor failed. Luckily we can free it according to rc.
Signed-off-by: Yi Wang <wang.yi59(a)zte.com.cn>
---
src/qemu/qemu_domain.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index c8dc748..c34ec5a 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -5767,8 +5767,11 @@ qemuDomainUpdateMemoryDeviceInfo(virQEMUDriverPtr driver,
rc = qemuMonitorGetMemoryDeviceInfo(priv->mon, &meminfo);
- if (qemuDomainObjExitMonitor(driver, vm) < 0)
+ if (qemuDomainObjExitMonitor(driver, vm) < 0) {
+ if (0 == rc)
+ virHashFree(meminfo);
return -1;
+ }
/* if qemu doesn't support the info request, just carry on */
if (rc == -2)
--
1.8.3.1
10 a.m.
On 05/25/2017 04:20 AM, Yi Wang wrote:
The @meminfo allocated in qemuMonitorGetMemoryDeviceInfo may be lost
when
exit monitor failed. Luckily we can free it according to rc.
Signed-off-by: Yi Wang <wang.yi59(a)zte.com.cn>
---
src/qemu/qemu_domain.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index c8dc748..c34ec5a 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -5767,8 +5767,11 @@ qemuDomainUpdateMemoryDeviceInfo(virQEMUDriverPtr driver,
rc = qemuMonitorGetMemoryDeviceInfo(priv->mon, &meminfo);
- if (qemuDomainObjExitMonitor(driver, vm) < 0)
+ if (qemuDomainObjExitMonitor(driver, vm) < 0) {
+ if (0 == rc)
We don't use this style in libvirt. Moreover, there's no real need for
the check as virHashFree() accepts NULL happily.
+ virHashFree(meminfo);
return -1;
+ }
/* if qemu doesn't support the info request, just carry on */
if (rc == -2)
I've fixed that, ACKed and pushed.
Michal
9:27 a.m.
New subject: [libvirt] [PATCH] qemu: Fix memory leak inqemuDomainUpdateMemoryDeviceInfo
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participants (3)
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Michal Privoznik -
wang.yi59＠zte.com.cn -
Yi Wang