[libvirt] [PATCH] util: Cleanup error path for virPolkitAgentCreate

[John Ferlan]

More fallout from changing to using virPolkitAgent and handling error
paths.  Needed to clear the 'cmd' once stored and of course add the
virCommandFree(cmd) in the error: label.

Signed-off-by: John Ferlan <jferlan at redhat.com>
---

Found by coverity...
Pushed as trivial...

 src/util/virpolkit.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/util/virpolkit.c b/src/util/virpolkit.c
index 44f2328..2038744 100644
--- a/src/util/virpolkit.c
+++ b/src/util/virpolkit.c
@@ -182,6 +182,7 @@ virPolkitAgentCreate(void)
     if (VIR_ALLOC(agent) < 0)
         goto error;
     agent->cmd = cmd;
+    cmd = NULL;
 
     virCommandAddArgFormat(cmd, "%lld", (long long int) getpid());
     virCommandAddArg(cmd, "--notify-fd");
@@ -206,6 +207,7 @@ virPolkitAgentCreate(void)
     VIR_FORCE_CLOSE(pipe_fd[0]);
     VIR_FORCE_CLOSE(pipe_fd[1]);
     virPolkitAgentDestroy(agent);
+    virCommandFree(cmd);
     return NULL;
 }
 
-- 
2.5.0