tc-testing: tdc.py: ignore errors when decoding stdout/stderr

Prevent exceptions from being raised while decoding output
from an executed command. There is no impact on tdc's
execution and the verify command phase would fail the pattern
match.

Signed-off-by: Lucas Bates <lucasb@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/tools/testing/selftests/tc-testing/tdc.py b/tools/testing/selftests/tc-testing/tdc.py
index 87a04a8a5945c2..9b3f414ff1e9aa 100755
--- a/tools/testing/selftests/tc-testing/tdc.py
+++ b/tools/testing/selftests/tc-testing/tdc.py
@@ -134,9 +134,9 @@ def exec_cmd(args, pm, stage, command):
     (rawout, serr) = proc.communicate()
 
     if proc.returncode != 0 and len(serr) > 0:
-        foutput = serr.decode("utf-8")
+        foutput = serr.decode("utf-8", errors="ignore")
     else:
-        foutput = rawout.decode("utf-8")
+        foutput = rawout.decode("utf-8", errors="ignore")
 
     proc.stdout.close()
     proc.stderr.close()