replay: refine replay-time module

This patch removes refactoring artifacts from the replay/replay-time.c

Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
Message-Id: <156404427799.18669.8072341590511911277.stgit@pasha-Precision-3630-Tower>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

replay/replay-time.c

@@ -14,18 +14,19 @@
 #include "replay-internal.h"
 #include "qemu/error-report.h"
 
-int64_t replay_save_clock(ReplayClockKind kind, int64_t clock, int64_t raw_icount)
+int64_t replay_save_clock(ReplayClockKind kind, int64_t clock,
+                          int64_t raw_icount)
 {
-    if (replay_file) {
-        g_assert(replay_mutex_locked());
+    g_assert(replay_file);
+    g_assert(replay_mutex_locked());
 
-        /* Due to the caller's locking requirements we get the icount from it
-         * instead of using replay_save_instructions().
-         */
-        replay_advance_current_step(raw_icount);
-        replay_put_event(EVENT_CLOCK + kind);
-        replay_put_qword(clock);
-    }
+    /*
+     * Due to the caller's locking requirements we get the icount from it
+     * instead of using replay_save_instructions().
+     */
+    replay_advance_current_step(raw_icount);
+    replay_put_event(EVENT_CLOCK + kind);
+    replay_put_qword(clock);
 
     return clock;
 }
@@ -47,20 +48,15 @@ void replay_read_next_clock(ReplayClockKind kind)
 /*! Reads next clock event from the input. */
 int64_t replay_read_clock(ReplayClockKind kind)
 {
+    int64_t ret;
     g_assert(replay_file && replay_mutex_locked());
 
     replay_account_executed_instructions();
 
-    if (replay_file) {
-        int64_t ret;
-        if (replay_next_event_is(EVENT_CLOCK + kind)) {
-            replay_read_next_clock(kind);
-        }
-        ret = replay_state.cached_clock[kind];
-
-        return ret;
+    if (replay_next_event_is(EVENT_CLOCK + kind)) {
+        replay_read_next_clock(kind);
     }
+    ret = replay_state.cached_clock[kind];
 
-    error_report("REPLAY INTERNAL ERROR %d", __LINE__);
-    exit(1);
+    return ret;
 }