[libvirt] [PATCH 7/9] qemu: Resolve Coverity FORWARD_NULL

[John Ferlan]

If we end up at the cleanup lable before we've VIR_EXPAND_N the list,
then calling virQEMUCapsFreeStringList() with a NULL proplist could
theoretically deref proplist if nproplist was set. Coverity doesn't

Signed-off-by: John Ferlan <jferlan at redhat.com>
---
 src/qemu/qemu_capabilities.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index a652f29..81ada48 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -1728,7 +1728,7 @@ virQEMUCapsParseDeviceStrObjectProps(const char *str,
     ret = nproplist;
 
  cleanup:
-    if (ret < 0)
+    if (ret < 0 && proplist)
         virQEMUCapsFreeStringList(nproplist, proplist);
     return ret;
 }
-- 
1.9.3