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[libvirt] [PATCH 1/4] qemu: Check if virQEMUCapsNewCopy(...) has failed



Check if virQEMUCapsNewCopy(...) has failed, thus a segmentation fault
in virQEMUCapsFilterByMachineType(...) will be avoided.

Signed-off-by: Marc Hartmayer <mhartmay linux vnet ibm com>
Reviewed-by: Bjoern Walk <bwalk linux vnet ibm com>
---
 src/qemu/qemu_capabilities.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 3247d25..399e314 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -4928,6 +4928,10 @@ virQEMUCapsCacheLookupCopy(virCapsPtr caps,
 
     ret = virQEMUCapsNewCopy(qemuCaps);
     virObjectUnref(qemuCaps);
+
+    if (!ret)
+        return NULL;
+
     virQEMUCapsFilterByMachineType(ret, machineType);
     return ret;
 }
-- 
2.5.5


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