am c3115b9e: vold: Logging to catch when the disk checker crashes (could happen due to a really messed up card)

Merge commit 'c3115b9ec2f9bc07e6ffd7d7bb7338415822c338'

* commit 'c3115b9ec2f9bc07e6ffd7d7bb7338415822c338':
  vold: Logging to catch when the disk checker crashes
diff --git a/vold/volmgr_vfat.c b/vold/volmgr_vfat.c
index 835b71d..7a4e12f 100644
--- a/vold/volmgr_vfat.c
+++ b/vold/volmgr_vfat.c
@@ -66,6 +66,9 @@
     } else if (rc == 2) {
         LOG_VOL("Filesystem check failed (not a FAT filesystem)");
         return -ENODATA;
+    } else if (rc == -11) {
+        LOG_VOL("Filesystem check crashed");
+        return -EIO;
     } else {
         LOG_VOL("Filesystem check failed (unknown exit code %d)", rc);
         return -EIO;