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| author | Michael S. Tsirkin <mst@redhat.com> | 2016-02-28 16:32:07 +0100 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2016-02-29 10:56:40 +0100 |
| commit | 4cad67fca3fc952d6f2ed9e799621f07666a560f (patch) | |
| tree | eb24441cbebf6d8523ddd9ea1323ab052a431614 /block/Kconfig.iosched | |
| parent | arm64: KVM: vgic-v3: Restore ICH_APR0Rn_EL2 before ICH_APR1Rn_EL2 (diff) | |
| download | linux-4cad67fca3fc952d6f2ed9e799621f07666a560f.tar.xz linux-4cad67fca3fc952d6f2ed9e799621f07666a560f.zip | |
arm/arm64: KVM: Fix ioctl error handling
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
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'block/Kconfig.iosched')
0 files changed, 0 insertions, 0 deletions