1 files changed, 24 insertions, 7 deletions

diff --git a/fs/reiserfs/xattr_security.c b/fs/reiserfs/xattr_security.c
index 41c0ea84fbff..6e0a099dd788 100644
--- a/fs/reiserfs/xattr_security.c
+++ b/fs/reiserfs/xattr_security.c
@@ -39,6 +39,22 @@ static bool security_list(struct dentry *dentry)
 	return !IS_PRIVATE(d_inode(dentry));
 }
 
+static int
+reiserfs_initxattrs(struct inode *inode, const struct xattr *xattr_array,
+		    void *fs_info)
+{
+	struct reiserfs_security_handle *sec = fs_info;
+
+	sec->value = kmemdup(xattr_array->value, xattr_array->value_len,
+			     GFP_KERNEL);
+	if (!sec->value)
+		return -ENOMEM;
+
+	sec->name = xattr_array->name;
+	sec->length = xattr_array->value_len;
+	return 0;
+}
+
 /* Initializes the security context for a new inode and returns the number
  * of blocks needed for the transaction. If successful, reiserfs_security
  * must be released using reiserfs_security_free when the caller is done. */
@@ -56,12 +72,9 @@ int reiserfs_security_init(struct inode *dir, struct inode *inode,
 	if (IS_PRIVATE(dir))
 		return 0;
 
-	error = security_old_inode_init_security(inode, dir, qstr, &sec->name,
-						 &sec->value, &sec->length);
+	error = security_inode_init_security(inode, dir, qstr,
+					     &reiserfs_initxattrs, sec);
 	if (error) {
-		if (error == -EOPNOTSUPP)
-			error = 0;
-
 		sec->name = NULL;
 		sec->value = NULL;
 		sec->length = 0;
@@ -82,11 +95,15 @@ int reiserfs_security_write(struct reiserfs_transaction_handle *th,
 			    struct inode *inode,
 			    struct reiserfs_security_handle *sec)
 {
+	char xattr_name[XATTR_NAME_MAX + 1] = XATTR_SECURITY_PREFIX;
 	int error;
-	if (strlen(sec->name) < sizeof(XATTR_SECURITY_PREFIX))
+
+	if (XATTR_SECURITY_PREFIX_LEN + strlen(sec->name) > XATTR_NAME_MAX)
 		return -EINVAL;
 
-	error = reiserfs_xattr_set_handle(th, inode, sec->name, sec->value,
+	strlcat(xattr_name, sec->name, sizeof(xattr_name));
+
+	error = reiserfs_xattr_set_handle(th, inode, xattr_name, sec->value,
 					  sec->length, XATTR_CREATE);
 	if (error == -ENODATA || error == -EOPNOTSUPP)
 		error = 0;