tools/lguest: fix features_accepted logic in example launcher.

We were clearing the lower bits when setting the upper bits.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

diff --git a/tools/lguest/lguest.c b/tools/lguest/lguest.c
index 60cabafdf615e08f9858d8157f3dbd69b04bbbfa..b3e73f258910a6a979cc9160356beb924bd495bb 100644 (file)
--- a/tools/lguest/lguest.c
+++ b/tools/lguest/lguest.c
@@ -1721,7 +1721,7 @@ static void emulate_mmio_write(struct device *d, u32 off, u32 val, u32 mask)
                        d->features_accepted |= val;
                } else {
                        assert(d->mmio->cfg.guest_feature_select == 1);
-                       d->features_accepted &= ((u64)0xFFFFFFFF << 32);
+                       d->features_accepted &= 0xFFFFFFFF;
                        d->features_accepted |= ((u64)val) << 32;
                }
                if (d->features_accepted & ~d->features)