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KVM: ARM/arm64: return -EFAULT if copy_from_user fails in set_timer_reg
authorWill Deacon <will.deacon@arm.com>
Tue, 26 Aug 2014 14:13:23 +0000 (15:13 +0100)
committerChristoffer Dall <christoffer.dall@linaro.org>
Wed, 27 Aug 2014 20:49:45 +0000 (22:49 +0200)
commitbd218bce92d3868ba4fe5e9e3eb8199d2aa614af
tree18c3956239fc631afa20162018c40cf2c97e9f12tree | snapshot (tar.gz zip)
parent18d457661fb9fa69352822ab98d39331c3d0e571commit | diff
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>
arch/arm/kvm/guest.c diff | blob | blame | history
arch/arm64/kvm/guest.c diff | blob | blame | history