lkml.org 
[lkml]   [2015]   [May]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 24/79] do_last: kill symlink_ok
Date
From: Al Viro <viro@zeniv.linux.org.uk>

When O_PATH is present, O_CREAT isn't, so symlink_ok is always equal to
(open_flags & O_PATH) && !(nd->flags & LOOKUP_FOLLOW).

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
fs/namei.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/fs/namei.c b/fs/namei.c
index 308f325..58293a8 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2923,7 +2923,6 @@ static int do_last(struct nameidata *nd, struct path *path,
bool got_write = false;
int acc_mode = op->acc_mode;
struct inode *inode;
- bool symlink_ok = false;
struct path save_parent = { .dentry = NULL, .mnt = NULL };
bool retried = false;
int error;
@@ -2941,8 +2940,6 @@ static int do_last(struct nameidata *nd, struct path *path,
if (!(open_flag & O_CREAT)) {
if (nd->last.name[nd->last.len])
nd->flags |= LOOKUP_FOLLOW | LOOKUP_DIRECTORY;
- if (open_flag & O_PATH && !(nd->flags & LOOKUP_FOLLOW))
- symlink_ok = true;
/* we _can_ be in RCU mode here */
error = lookup_fast(nd, path, &inode);
if (likely(!error))
@@ -3043,7 +3040,8 @@ finish_lookup:
goto out;
}

- if (should_follow_link(path->dentry, !symlink_ok)) {
+ if (should_follow_link(path->dentry,
+ !(open_flag & O_PATH) || (nd->flags & LOOKUP_FOLLOW))) {
if (nd->flags & LOOKUP_RCU) {
if (unlikely(nd->path.mnt != path->mnt ||
unlazy_walk(nd, path->dentry))) {
--
2.1.4


\
 
 \ /
  Last update: 2015-05-05 08:01    [W:0.574 / U:14.852 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site