commit 018cf41a15a349fbe788b240d13afbb4e985481b
author Serban Constantinescu <serban.constantinescu@arm.com> Wed Feb 19 15:34:02 2014 +0000
committer Elliott Hughes <enh@google.com> Fri Apr 03 17:02:48 2015 -0700
tree d6db7ebc286f5d3e9e5a125f4ed1086afc9b6af7
parent 1e954441d22d0feb28caceee9fe14bc7729b7b90

ServiceManager: Print kernel/userspace binder version

This patch adds extra logging for the binder version in case the userspace
and kernel versions differ.

Change-Id: I9859b29099726cfcfe5ca23d88ed2e101a06af1a
Signed-off-by: Serban Constantinescu <serban.constantinescu@arm.com>

cmds/servicemanager/binder.c

diff --git a/cmds/servicemanager/binder.c b/cmds/servicemanager/binder.c
index d1ab05f..6eecee1 100644
--- a/cmds/servicemanager/binder.c
+++ b/cmds/servicemanager/binder.c
@@ -113,7 +113,9 @@
 
     if ((ioctl(bs->fd, BINDER_VERSION, &vers) == -1) ||
         (vers.protocol_version != BINDER_CURRENT_PROTOCOL_VERSION)) {
-        fprintf(stderr, "binder: driver version differs from user space\n");
+        fprintf(stderr,
+                "binder: kernel driver version (%d) differs from user space version (%d)\n",
+                vers.protocol_version, BINDER_CURRENT_PROTOCOL_VERSION);
         goto fail_open;
     }