3.16.7-ckt14 -stable review patch. If anyone has any objections, please let me know.
------------------ From: Nicholas Mc Guire <hof...@osadl.org> commit ed9244e6c534612d2b5ae47feab2f55a0d4b4ced upstream. Fix possible unintended sign extension in unsigned MMIO loads by casting to uint16_t in the case of mmio_needed != 2. Signed-off-by: Nicholas Mc Guire <hof...@osadl.org> Reviewed-by: James Hogan <james.ho...@imgtec.com> Tested-by: James Hogan <james.ho...@imgtec.com> Cc: Gleb Natapov <g...@kernel.org> Cc: Paolo Bonzini <pbonz...@redhat.com> Cc: kvm@vger.kernel.org Cc: linux-m...@linux-mips.org Cc: linux-ker...@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/9985/ Signed-off-by: Ralf Baechle <r...@linux-mips.org> [ luis: backported to 3.16: - file rename: emulate.c -> kvm_mips_emul.c ] Signed-off-by: Luis Henriques <luis.henriq...@canonical.com> --- arch/mips/kvm/kvm_mips_emul.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/kvm/kvm_mips_emul.c b/arch/mips/kvm/kvm_mips_emul.c index 2071472bc3c4..18b4e2fdae33 100644 --- a/arch/mips/kvm/kvm_mips_emul.c +++ b/arch/mips/kvm/kvm_mips_emul.c @@ -2130,7 +2130,7 @@ kvm_mips_complete_mmio_load(struct kvm_vcpu *vcpu, struct kvm_run *run) if (vcpu->mmio_needed == 2) *gpr = *(int16_t *) run->mmio.data; else - *gpr = *(int16_t *) run->mmio.data; + *gpr = *(uint16_t *)run->mmio.data; break; case 1: -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
