3.14-stable review patch. If anyone has any objections, please let me know.
------------------ From: Nicholas Mc Guire <[email protected]> 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 <[email protected]> Reviewed-by: James Hogan <[email protected]> Tested-by: James Hogan <[email protected]> Cc: Gleb Natapov <[email protected]> Cc: Paolo Bonzini <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Patchwork: https://patchwork.linux-mips.org/patch/9985/ Signed-off-by: Ralf Baechle <[email protected]> Signed-off-by: James Hogan <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- arch/mips/kvm/kvm_mips_emul.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/mips/kvm/kvm_mips_emul.c +++ b/arch/mips/kvm/kvm_mips_emul.c @@ -1626,7 +1626,7 @@ kvm_mips_complete_mmio_load(struct kvm_v 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 linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
