From 56f1ffcccd784672654918f9214979b4918c2544 Mon Sep 17 00:00:00 2001
From: Christophe Ricard <christophe.ricard@gmail.com>
Date: Mon, 11 Aug 2014 00:04:56 +0200
Subject: [PATCH] NFC: st21nfca: Add condition to make sure atr_req->length is
 valid.

gb_len in st21nfca_tm_send_atr_res can be negative. Not checking for
that could lead to a potential kernel oops.
We now make sure that atr_req->length > sizeof(struct st21nfca_atr_req)
to avoid such situation.

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
Reading git-format-patch failed