util: Fix missing initializer for agent

In virPolkitAgentCreate neglected to initialize agent to NULL. If
there was an error in the pipe, then we jump to error and would have
an issue. Found by coverity.

diff --git a/src/util/virpolkit.c b/src/util/virpolkit.c
index 3d2be61bba5d6d983e51a4466062b8a37293e048..44f23283035d46150c6db25ce05303ff087305a8 100644 (file)
--- a/src/util/virpolkit.c
+++ b/src/util/virpolkit.c
@@ -166,7 +166,7 @@ virPolkitAgentDestroy(virPolkitAgentPtr agent)
 virPolkitAgentPtr
 virPolkitAgentCreate(void)
 {
-    virPolkitAgentPtr agent;
+    virPolkitAgentPtr agent = NULL;
     virCommandPtr cmd = virCommandNewArgList(PKTTYAGENT, "--process", NULL);
     int pipe_fd[2] = {-1, -1};
     struct pollfd pollfd;