From 0b75b35c7cad33e7613f5adf28fa10fe8b09b1c3 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Mon, 22 Jun 2009 15:09:14 -0400
Subject: [PATCH] NFS: Fix nfs_path() to always return a '/' at the beginning
of the path
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
fs/nfs/namespace.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
index f01caec8446..40c76678289 100644
--- a/fs/nfs/namespace.c
+++ b/fs/nfs/namespace.c
@@ -65,6 +65,11 @@ char *nfs_path(const char *base,
dentry = dentry->d_parent;
}
spin_unlock(&dcache_lock);
+ if (*end != '/') {
+ if (--buflen < 0)
+ goto Elong;
+ *--end = '/';
+ }
namelen = strlen(base);
/* Strip off excess slashes in base string */
while (namelen > 0 && base[namelen - 1] == '/')
--
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