kvmtool: don't unpause vm when exiting vcpu threads

Unconditionally resuming a vm is wrong here, it may not even be paused to
begin with.

Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>

kvm-cpu.c

diff --git a/kvm-cpu.c b/kvm-cpu.c
index ad4441b..b56fd3b 100644
--- a/kvm-cpu.c
+++ b/kvm-cpu.c
@@ -44,14 +44,11 @@
 
 static void kvm_cpu_signal_handler(int signum)
 {
-	if (signum == SIGKVMEXIT) {
-		if (current_kvm_cpu && current_kvm_cpu->is_running) {
+	if (signum == SIGKVMEXIT)
+		if (current_kvm_cpu && current_kvm_cpu->is_running)
 			current_kvm_cpu->is_running = false;
-			kvm__continue(current_kvm_cpu->kvm);
-		}
-	} else if (signum == SIGKVMPAUSE) {
+	else if (signum == SIGKVMPAUSE)
 		current_kvm_cpu->paused = 1;
-	}
 }
 
 static void kvm_cpu__handle_coalesced_mmio(struct kvm_cpu *cpu)