From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Sat, 3 May 2014 20:18:11 +0000 (+0300)
Subject: KVM: s390: return -EFAULT if copy_from_user() fails
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~39^2~8^2~47^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fcc9aec3de0a1d00cbce47f7274ec0c62122266b;p=pandora-kernel.git

KVM: s390: return -EFAULT if copy_from_user() fails

When copy_from_user() fails, this code returns the number of bytes
remaining instead of a negative error code.  The positive number is
returned to the user but otherwise it is harmless.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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