From: Will Deacon <will.deacon@arm.com>
Date: Tue, 26 Aug 2014 14:13:23 +0000 (+0100)
Subject: KVM: ARM/arm64: return -EFAULT if copy_from_user fails in set_timer_reg
X-Git-Tag: fixes-for-v3.18-merge-window~23^2~3^2~22
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bd218bce92d3868ba4fe5e9e3eb8199d2aa614af;p=pandora-kernel.git

KVM: ARM/arm64: return -EFAULT if copy_from_user fails in set_timer_reg

We currently return the number of bytes not copied if set_timer_reg
fails, which is almost certainly not what userspace would like.

This patch returns -EFAULT instead.

Cc: Christoffer Dall <christoffer.dall@linaro.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
---

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