virtfs-proxy-helper: add missing long option terminator

The getopt_long(3) long options array must have a zeroed terminator.

This patch solves a segmentation fault when an unknown command-line
option is encountered:

  $ fsdev/virtfs-proxy-helper --help
  Segmentation fault (core dumped)

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

diff --git a/fsdev/virtfs-proxy-helper.c b/fsdev/virtfs-proxy-helper.c
index a698e2dbb37b6e9363ae20e2af4a4be36ebf7c97..91e8b9b7f1cf8c00ef484122dbcb62520e1ef583 100644 (file)
--- a/fsdev/virtfs-proxy-helper.c
+++ b/fsdev/virtfs-proxy-helper.c
@@ -49,6 +49,7 @@ static struct option helper_opts[] = {
     {"socket", required_argument, NULL, 's'},
     {"uid", required_argument, NULL, 'u'},
     {"gid", required_argument, NULL, 'g'},
+    {},
 };
 
 static bool is_daemon;