[PATCH] igc: check return value of ret_val in igc_config_fc_after_link_up

[Kevin Lo]

Check return value from ret_val to make error check actually work.

Fixes: 4eb8080143a9 ("igc: Add setup link functionality")
Signed-off-by: Kevin Lo <ke...@kevlo.org>
---
diff --git a/drivers/net/ethernet/intel/igc/igc_mac.c 
b/drivers/net/ethernet/intel/igc/igc_mac.c
index 09cd0ec7ee87..67b8ffd21d8a 100644
--- a/drivers/net/ethernet/intel/igc/igc_mac.c
+++ b/drivers/net/ethernet/intel/igc/igc_mac.c
@@ -638,7 +638,7 @@ s32 igc_config_fc_after_link_up(struct igc_hw *hw)
        }
 
 out:
-       return 0;
+       return ret_val;
 }
 
 /**