Merge "event_manager: Set is_tracing to false when the activit launching finished." into rvc-dev am: 59c94bd4b2 am: ad2e05d4a1 am: c23d066869 am: 2c8fbd5703

Change-Id: I4c05bb51c07412a4fcb3079bbc4c07c6290c399d
diff --git a/src/prefetcher/session.cc b/src/prefetcher/session.cc
index e998580..8a24b24 100644
--- a/src/prefetcher/session.cc
+++ b/src/prefetcher/session.cc
@@ -225,7 +225,7 @@
 
   switch (kind) {
     case ReadAheadKind::kFadvise:
-      if (posix_fadvise(entry_fd, offset, length, POSIX_FADV_WILLNEED) < 0) {
+      if (posix_fadvise(entry_fd, offset, length, POSIX_FADV_WILLNEED) != 0) {
         PLOG(ERROR) << "SessionDirect: Failed to fadvise entry " << file_name
                     << ", offset=" << offset << ", length=" << length;
         success = false;