Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs:
  9p: fix debug compilation error
diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index 45c3598..0a7068e 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -131,7 +131,9 @@
 		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;