net: ena: fix ena_com_comp_status_to_errno() return value

Default return value should be -EINVAL since the input
in this case was unexpected.
Also remove the now redundant check in the beginning
of the function.
Signed-off-by: Sameeh Jubran <sameehj@amazon.com>
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/amazon/ena/ena_com.c

@@ -523,9 +523,6 @@ static int ena_com_comp_status_to_errno(u8 comp_status)
 	if (unlikely(comp_status != 0))
 		pr_err("admin command failed[%u]\n", comp_status);
 
-	if (unlikely(comp_status > ENA_ADMIN_UNKNOWN_ERROR))
-		return -EINVAL;
-
 	switch (comp_status) {
 	case ENA_ADMIN_SUCCESS:
 		return 0;
@@ -540,7 +537,7 @@ static int ena_com_comp_status_to_errno(u8 comp_status)
 		return -EINVAL;
 	}
 
-	return 0;
+	return -EINVAL;
 }
 
 static int ena_com_wait_and_process_admin_cq_polling(struct ena_comp_ctx *comp_ctx,