---

yaml --- r: 29803 b: refs/heads/master c: 45c9b11 h: refs/heads/master i: 29801: effef18 29799: 49bdde7 v: v3
git-mirror · Jun 25, 2006 · 2ae6d09 · 2ae6d09
1 parent 95950d2
commit 2ae6d09
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Showing 3 changed files with 6 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 584e1236bbcdfec3f64c751908b8b4fe868c2d20
+refs/heads/master: 45c9b11a1d07770cabb48cb0f7960a77650ffc64
diff --git a/trunk/fs/namei.c b/trunk/fs/namei.c
@@ -2243,14 +2243,16 @@ asmlinkage long sys_linkat(int olddfd, const char __user *oldname,
 	int error;
 	char * to;
 
-	if (flags != 0)
+	if ((flags & ~AT_SYMLINK_FOLLOW) != 0)
 		return -EINVAL;
 
 	to = getname(newname);
 	if (IS_ERR(to))
 		return PTR_ERR(to);
 
-	error = __user_walk_fd(olddfd, oldname, 0, &old_nd);
+	error = __user_walk_fd(olddfd, oldname,
+			       flags & AT_SYMLINK_FOLLOW ? LOOKUP_FOLLOW : 0,
+			       &old_nd);
 	if (error)
 		goto exit;
 	error = do_path_lookup(newdfd, to, LOOKUP_PARENT, &nd);

diff --git a/trunk/include/linux/fcntl.h b/trunk/include/linux/fcntl.h
@@ -29,6 +29,7 @@
 #define AT_SYMLINK_NOFOLLOW	0x100   /* Do not follow symbolic links.  */
 #define AT_REMOVEDIR		0x200   /* Remove directory instead of
                                            unlinking file.  */
+#define AT_SYMLINK_FOLLOW	0x400   /* Follow symbolic links.  */
 
 #ifdef __KERNEL__