Return actual exit code from retry

salt/common/tools/sbin/so-common

@@ -302,6 +302,7 @@ retry() {
 	cmd=$3
 	expectedOutput=$4
 	attempt=0
+	local exitcode=0
 	while [[ $attempt -lt $maxAttempts ]]; do			
 		attempt=$((attempt+1))
 		echo "Executing command with retry support: $cmd"
@@ -321,7 +322,7 @@ retry() {
 		sleep $sleepDelay
 	done
 	echo "Command continues to fail; giving up."
-	return 1
+	return $exitcode
 }
 
 run_check_net_err() {