From 31ca3c3770b51945e3409d7e75f4ebb2f4789a9c Mon Sep 17 00:00:00 2001
From: Mark Salyzyn <salyzyn@google.com>
Date: Tue, 22 Dec 2015 10:49:02 -0800
Subject: [PATCH] liblog: build break

Some compilers erroneously see uninitialized use, even despite all
accesses being behind !not_locked. Confirmed initialization does not
affect expected performance.

Bug: 26178938
Bug: 26029733
Bug: 17760225
Change-Id: Ib36ed8dd2c4b196ca84ef79a9531625dcee77e15
---
 liblog/log_is_loggable.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/liblog/log_is_loggable.c b/liblog/log_is_loggable.c
index c73afcf0e..0f81efc80 100644
--- a/liblog/log_is_loggable.c
+++ b/liblog/log_is_loggable.c
@@ -112,7 +112,8 @@ static int __android_log_level(const char *tag, int default_prio)
      */
     static char *last_tag;
     static uint32_t global_serial;
-    uint32_t current_global_serial;
+    /* some compilers erroneously see uninitialized use. !not_locked */
+    uint32_t current_global_serial = 0;
     static struct cache tag_cache[2];
     static struct cache global_cache[2];
     int change_detected;