From 56ddb441d4976e9036938796252e5a81ea5264b5 Mon Sep 17 00:00:00 2001
From: Jon Trulson <jtrulson@ics.com>
Date: Thu, 10 Sep 2015 11:50:32 -0600
Subject: [PATCH] grovescam: throw exception(s) on fatal read() as well

Signed-off-by: Jon Trulson <jtrulson@ics.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
---
 src/grovescam/grovescam.cxx | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/grovescam/grovescam.cxx b/src/grovescam/grovescam.cxx
index a90f8b7f..4b1d8e2c 100644
--- a/src/grovescam/grovescam.cxx
+++ b/src/grovescam/grovescam.cxx
@@ -119,7 +119,12 @@ int GROVESCAM::readData(uint8_t *buffer, int len)
   int rv = read(m_ttyFd, (char *)buffer, len);
 
   if (rv < 0)
-    cerr << __FUNCTION__ << ": read failed: " << strerror(errno) << endl;
+    {
+      throw std::runtime_error(std::string(__FUNCTION__) +
+                               ": read() failed: " +
+                               string(strerror(errno)));
+      return rv;
+    }
 
   return rv;
 }