commit 0ff1f8094706301a8cd223e9a1c850a80401e64e
author Mark Salyzyn <salyzyn@google.com> Thu Mar 19 00:05:34 2015 +0000
committer Android Git Automerger <android-git-automerger@android.com> Thu Mar 19 00:05:34 2015 +0000
tree f499fd0038ad964614ab9cb16982c23a574abeb8
parent 07dd3d70703cd8f9b5643a04748d3cf503f432e0
parent 691f45b435091feb8e96fa9a4b05c14d7a253316

am 71a86444: am 4e0a2523: Merge "liblog: reject empty logging messages"

* commit '71a86444873968fafda87d6ad5855df42c9ea0f0':
  liblog: reject empty logging messages

liblog/logd_write.c

diff --git a/liblog/logd_write.c b/liblog/logd_write.c
index a865093..8f8cc3f 100644
--- a/liblog/logd_write.c
+++ b/liblog/logd_write.c
@@ -178,6 +178,10 @@
     static pid_t last_pid = (pid_t) -1;
     static atomic_int_fast32_t dropped;
 
+    if (!nr) {
+        return -EINVAL;
+    }
+
     if (last_uid == AID_ROOT) { /* have we called to get the UID yet? */
         last_uid = getuid();
     }