>From a0d9810c5f4cf526430726f4e6aed88e8f9de1a9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?P=C3=A1draig=20Brady?= Date: Thu, 17 Jan 2013 12:53:16 +0000 Subject: [PATCH] symlink: allow an empty target string MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit POSIX only states that ENOENT should be returned if an empty string is specified for the link name. In fact it states the link target... "shall be treated only as a character string and shall not be validated as a pathname". Signed-off-by: Pádraig Brady --- fs/namei.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/fs/namei.c b/fs/namei.c index 43a97ee..26dd264 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -3533,12 +3533,13 @@ SYSCALL_DEFINE3(symlinkat, const char __user *, oldname, int, newdfd, const char __user *, newname) { int error; + int empty; struct filename *from; struct dentry *dentry; struct path path; unsigned int lookup_flags = 0; - from = getname(oldname); + from = getname_flags(oldname, LOOKUP_EMPTY, &empty); if (IS_ERR(from)) return PTR_ERR(from); retry: -- 1.7.6.4