e1000e: improper return code signage

The e1000_get_cable_length_82577() should return a negative value upon
error.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index 03175b3a2c9e..95a8196cf44c 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -3137,7 +3137,7 @@ s32 e1000_get_cable_length_82577(struct e1000_hw *hw)
                  I82577_DSTATUS_CABLE_LENGTH_SHIFT;
 
         if (length == E1000_CABLE_LENGTH_UNDEFINED)
-                ret_val = E1000_ERR_PHY;
+                ret_val = -E1000_ERR_PHY;
 
         phy->cable_length = length;