[PATCH] symlink 9/9: jff2

jffs2 switched; leaks plugged.

fs/jffs2/symlink.c

@@ -15,43 +15,31 @@
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/fs.h>
+#include <linux/namei.h>
 #include "nodelist.h"
 
-int jffs2_readlink(struct dentry *dentry, char *buffer, int buflen);
-int jffs2_follow_link(struct dentry *dentry, struct nameidata *nd);
+static int jffs2_follow_link(struct dentry *dentry, struct nameidata *nd);
+static void jffs2_put_link(struct dentry *dentry, struct nameidata *nd);
 
 struct inode_operations jffs2_symlink_inode_operations =
 {	
-	.readlink =	jffs2_readlink,
+	.readlink =	generic_readlink,
 	.follow_link =	jffs2_follow_link,
+	.put_link =	jffs2_put_link,
 	.setattr =	jffs2_setattr
 };
 
-int jffs2_readlink(struct dentry *dentry, char *buffer, int buflen)
-{
-	unsigned char *kbuf;
-	int ret;
-
-	kbuf = jffs2_getlink(JFFS2_SB_INFO(dentry->d_inode->i_sb), JFFS2_INODE_INFO(dentry->d_inode));
-	if (IS_ERR(kbuf))
-		return PTR_ERR(kbuf);
-
-	ret = vfs_readlink(dentry, buffer, buflen, kbuf);
-	kfree(kbuf);
-	return ret;
-}
-
-int jffs2_follow_link(struct dentry *dentry, struct nameidata *nd)
+static int jffs2_follow_link(struct dentry *dentry, struct nameidata *nd)
 {
 	unsigned char *buf;
-	int ret;
-
 	buf = jffs2_getlink(JFFS2_SB_INFO(dentry->d_inode->i_sb), JFFS2_INODE_INFO(dentry->d_inode));
+	nd_set_link(nd, buf);
+	return 0;
+}
 
-	if (IS_ERR(buf))
-		return PTR_ERR(buf);
-
-	ret = vfs_follow_link(nd, buf);
-	kfree(buf);
-	return ret;
+static void jffs2_put_link(struct dentry *dentry, struct nameidata *nd)
+{
+	char *s = nd_get_link(nd);
+	if (!IS_ERR(s))
+		kfree(s);
 }