[libvirt] [PATCH 15/26] qemu: Resolve Coverity FORWARD_NULL

[John Ferlan]

If we jump to cleanup before allocating the 'result', then the call
to virBlkioDeviceArrayClear will deref result causing a problem.

Signed-off-by: John Ferlan <jferlan at redhat.com>
---
 src/qemu/qemu_driver.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 362d1ab..373b4d7 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -7682,8 +7682,10 @@ qemuDomainParseBlkioDeviceStr(char *blkioDeviceStr, const char *type,
                    _("unable to parse blkio device '%s' '%s'"),
                    type, blkioDeviceStr);
  cleanup:
-    virBlkioDeviceArrayClear(result, ndevices);
-    VIR_FREE(result);
+    if (result) {
+        virBlkioDeviceArrayClear(result, ndevices);
+        VIR_FREE(result);
+    }
     return -1;
 }
 
-- 
1.9.3