From: Emil Tantilov <emil.s.tantilov@intel.com>
Date: Fri, 20 Apr 2018 00:06:57 +0000 (-0700)
Subject: ixgbe: return error on unsupported SFP module when resetting
X-Git-Tag: v4.19~1050^2~2^2~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bbb2707623f3ccc48695da2433f06d7c38193451;p=platform%2Fkernel%2Flinux-rpi3.git

ixgbe: return error on unsupported SFP module when resetting

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>
---

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
index 3123267..9592f3e 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
@@ -3427,6 +3427,9 @@ 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);