9p: fix debug compilation error

s/9p/v9fs.c: In function 'v9fs_parse_options':
fs/9p/v9fs.c:134: error: 'p9_debug_level' undeclared (first use in this function)

Signed-off-by: Dave Jones <davej@redhat.com>
Acked-by: Eric Van Hensbergen <ericvh@gmail.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index 45c35986d49f..0a7068e30ecb 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -131,7 +131,9 @@ static void v9fs_parse_options(char *options, struct v9fs_session_info *v9ses)
                 switch (token) {
                 case Opt_debug:
                         v9ses->debug = option;
+#ifdef CONFIG_NET_9P_DEBUG
                         p9_debug_level = option;
+#endif
                         break;
                 case Opt_port:
                         v9ses->port = option;