Add error handling for MAC fetch process

Signed-off-by: Andriy Moroz <[email protected]>
sonic-net · Jul 13, 2018 · 048db4d · 048db4d
1 parent 38663f4
commit 048db4d
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/sonic-config-engine/sonic_platform.py b/src/sonic-config-engine/sonic_platform.py
@@ -48,8 +48,11 @@ def get_system_mac():
     else:
         get_mac_cmd = "ip link show eth0 | grep ether | awk '{print $2}'"
 
-    proc = subprocess.Popen(get_mac_cmd, shell=True, stdout=subprocess.PIPE)
+    proc = subprocess.Popen(get_mac_cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
     (mac, err) = proc.communicate()
+    if err:
+        return None
+
     mac = mac.strip()
 
     # Align last byte of MAC if necessary