passt: Initialise listening socket fds to -1

fd_tap_listen, fd_control_listen, and fd_repair_listen are file
descriptors and should be initialised to -1 rather than the implicit
0, consistent with the other fd fields in passt_ctx.

Signed-off-by: Jon Maloy <jmaloy@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/passt.c b/passt.c
index 65a07d7..4e5b928 100644
--- a/passt.c
+++ b/passt.c
@@ -65,6 +65,9 @@ char pkt_buf[PKT_BUF_BYTES]	__attribute__ ((aligned(PAGE_SIZE)));
 struct ctx passt_ctx = {
 	.pidfile_fd		= -1,
 	.fd_tap			= -1,
+	.fd_tap_listen		= -1,
+	.fd_control_listen	= -1,
+	.fd_repair_listen	= -1,
 	.pasta_netns_fd		= -1,
 	.device_state_fd	= -1,
 };