From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 17 Sep 2013 12:10:18 +0000 (-0400)
Subject: 9p: don't forget to destroy inode cache if fscache registration fails
X-Git-Tag: v3.12-rc2~18^2
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=8061a6fa564fe0e71601632758b78d2ba737663c;p=linux.git

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 58e6cbce4156..08f2e1e9a7e6 100644
--- 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)