[PATCH] factor out common code around ->follow_link invocation

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/namei.c

@@ -482,6 +482,24 @@ static inline int __vfs_follow_link(struct nameidata *nd, const char *link)
 	return PTR_ERR(link);
 }
 
+static inline int __do_follow_link(struct dentry *dentry, struct nameidata *nd)
+{
+	int error;
+
+	touch_atime(nd->mnt, dentry);
+	nd_set_link(nd, NULL);
+	error = dentry->d_inode->i_op->follow_link(dentry, nd);
+	if (!error) {
+		char *s = nd_get_link(nd);
+		if (s)
+			error = __vfs_follow_link(nd, s);
+		if (dentry->d_inode->i_op->put_link)
+			dentry->d_inode->i_op->put_link(dentry, nd);
+	}
+
+	return error;
+}
+
 /*
  * This limits recursive symlink follows to 8, while
  * limiting consecutive symlinks to 40.
@@ -504,16 +522,7 @@ static inline int do_follow_link(struct dentry *dentry, struct nameidata *nd)
 	current->link_count++;
 	current->total_link_count++;
 	nd->depth++;
-	touch_atime(nd->mnt, dentry);
-	nd_set_link(nd, NULL);
-	err = dentry->d_inode->i_op->follow_link(dentry, nd);
-	if (!err) {
-		char *s = nd_get_link(nd);
-		if (s)
-			err = __vfs_follow_link(nd, s);
-		if (dentry->d_inode->i_op->put_link)
-			dentry->d_inode->i_op->put_link(dentry, nd);
-	}
+	err = __do_follow_link(dentry, nd);
 	current->link_count--;
 	nd->depth--;
 	return err;
@@ -1470,16 +1479,7 @@ int open_namei(const char * pathname, int flag, int mode, struct nameidata *nd)
 	error = security_inode_follow_link(dentry, nd);
 	if (error)
 		goto exit_dput;
-	touch_atime(nd->mnt, dentry);
-	nd_set_link(nd, NULL);
-	error = dentry->d_inode->i_op->follow_link(dentry, nd);
-	if (!error) {
-		char *s = nd_get_link(nd);
-		if (s)
-			error = __vfs_follow_link(nd, s);
-		if (dentry->d_inode->i_op->put_link)
-			dentry->d_inode->i_op->put_link(dentry, nd);
-	}
+	error = __do_follow_link(dentry, nd);
 	dput(dentry);
 	if (error)
 		return error;