ixgbe: return error on unsupported SFP module when resetting

[ Upstream commit bbb2707 ]

Add check for unsupported module and return the error code.
This fixes a Coverity hit due to unused return status from setup_sfp.

Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c

@@ -3413,6 +3413,9 @@ static s32 ixgbe_reset_hw_X550em(struct ixgbe_hw *hw)
  hw->phy.sfp_setup_needed = false;
  }
 
+ if (status == IXGBE_ERR_SFP_NOT_SUPPORTED)
+ return status;
+
  /* Reset PHY */
  if (!hw->phy.reset_disable && hw->phy.ops.reset)
  hw->phy.ops.reset(hw);