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>
diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
index f01caec..40c7667 100644
--- a/fs/nfs/namespace.c
+++ b/fs/nfs/namespace.c
@@ -65,6 +65,11 @@
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] == '/')