examples/vhost: fix socket path parsing

The return value of strnlen(s, maxlen) is never bigger than maxlen.

Fixes: 4796ad63ba1f ("examples/vhost: import userspace vhost application")

Signed-off-by: Gang Jiang <jiangg@mail.ustc.edu.cn>

diff --git a/examples/vhost/main.c b/examples/vhost/main.c
index aa88733..e07f866 100644 (file)
--- a/examples/vhost/main.c
+++ b/examples/vhost/main.c
@@ -396,7 +396,7 @@ static int
 us_vhost_parse_socket_path(const char *q_arg)
 {
        /* parse number string */
-       if (strnlen(q_arg, PATH_MAX) > PATH_MAX)
+       if (strnlen(q_arg, PATH_MAX) == PATH_MAX)
                return -1;
 
        socket_files = realloc(socket_files, PATH_MAX * (nb_sockets + 1));