From 36accaed22347f4b09cbc3c9fe2c1163a3575ea1 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Fri, 10 Dec 2010 02:40:09 +0000
Subject: [PATCH] isdn: return -EFAULT if copy_from_user() fails

We should be returning -EFAULT here.

Mostly this patch is to silence a smatch warning.  The upper levels
of this driver turn all non-zero return values from isar_load_firmware()
into 1.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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