Merge "liblog: fix an undefined-behavor in __write_to_log_daemon()" am: a3b6d30ba7
am: 68a6676c77

Change-Id: I689a3b632393651eeee6272095b4d1a28633393d
diff --git a/liblog/logger_write.c b/liblog/logger_write.c
index 4324125..2599a53 100644
--- a/liblog/logger_write.c
+++ b/liblog/logger_write.c
@@ -343,7 +343,7 @@
             }
         }
         /* tag must be nul terminated */
-        if (strnlen(tag, len) >= len) {
+        if (tag && strnlen(tag, len) >= len) {
             tag = NULL;
         }