Certain serial device drivers might return without reading anything,
returning empty buffer. This is not an indication of the interface
being shut down, the readserial utility should keep running.

Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
---
 scripts/readserial.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/readserial.py b/scripts/readserial.py
index a7383e8..ffb076f 100755
--- a/scripts/readserial.py
+++ b/scripts/readserial.py
@@ -71,7 +71,7 @@ def readserial(infile, logfile, byteadjust):
                 continue
         d = infile.read(4096)
         if not d:
-            return 0
+            continue
         datatime = time.time()

         datatime -= len(d) * byteadjust
-- 
2.15.1.504.g5279b80103-goog

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