9p: don't forget to destroy inode cache if fscache registration fails

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index 58e6cbc..08f2e1e 100644 (file)
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -603,10 +603,11 @@ static int v9fs_cache_register(void)
        if (ret < 0)
                return ret;
 #ifdef CONFIG_9P_FSCACHE
-       return fscache_register_netfs(&v9fs_cache_netfs);
-#else
-       return ret;
+       ret = fscache_register_netfs(&v9fs_cache_netfs);
+       if (ret < 0)
+               v9fs_destroy_inode_cache();
 #endif
+       return ret;
 }
 
 static void v9fs_cache_unregister(void)