Messages in this thread | | | Date | Mon, 29 Feb 2016 09:29:14 +0100 | From | Christoffer Dall <> | Subject | Re: [PATCH for-4.5] arm/kvm: fix ioctl error handling |
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On Sun, Feb 28, 2016 at 05:32:07PM +0200, Michael S. Tsirkin wrote: > Calling return copy_to_user(...) in an ioctl will not > do the right thing if there's a pagefault: > copy_to_user returns the number of bytes not copied > in this case. > > Fix up kvm to do > return copy_to_user(...)) ? -EFAULT : 0; > > everywhere. > > Cc: stable@vger.kernel.org > Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
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