diff --git a/drivers/net/wireless/ath/ar9170/usb.c b/drivers/net/wireless/ath/ar9170/usb.c
index 368fc2d426419d1e3e2942b3d2d356cb06a9ad66..d7b562dcebd204702c2513a950285f80e89bf2be 100644
--- a/drivers/net/wireless/ath/ar9170/usb.c
+++ b/drivers/net/wireless/ath/ar9170/usb.c
@@ -350,7 +350,7 @@ static int ar9170_usb_exec_cmd(struct ar9170 *ar, enum ar9170_cmd cmd,
 		goto err_unbuf;
 	}
 
-	if (outlen >= 0 && aru->readlen != outlen) {
+	if (aru->readlen != outlen) {
 		err = -EMSGSIZE;
 		goto err_unbuf;
 	}