From 5eaf06074329c1c3a6886334cf6c0ee04c0bb722 Mon Sep 17 00:00:00 2001
From: Jesper Juhl <jesper.juhl@gmail.com>
Date: Sat, 25 Mar 2006 03:07:02 -0800
Subject: [PATCH] --- yaml --- r: 23528 b: refs/heads/master c:
 c41a24ce1fe13638732885859011321af862960a h: refs/heads/master v: v3

---
 [refs]                            | 2 +-
 trunk/drivers/isdn/i4l/isdn_ppp.c | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 662b34570a88..664cca0df0f1 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9a56c213929d83139fd1e12727e1037d71b519f8
+refs/heads/master: c41a24ce1fe13638732885859011321af862960a
diff --git a/trunk/drivers/isdn/i4l/isdn_ppp.c b/trunk/drivers/isdn/i4l/isdn_ppp.c
index 1a19a0f89428..b9fed8a3bcc6 100644
--- a/trunk/drivers/isdn/i4l/isdn_ppp.c
+++ b/trunk/drivers/isdn/i4l/isdn_ppp.c
@@ -782,7 +782,8 @@ isdn_ppp_read(int min, struct file *file, char __user *buf, int count)
 	is->first = b;
 
 	spin_unlock_irqrestore(&is->buflock, flags);
-	copy_to_user(buf, save_buf, count);
+	if (copy_to_user(buf, save_buf, count))
+		count = -EFAULT;
 	kfree(save_buf);
 
 	return count;