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Subject[PATCH 4.16 224/279] ixgbe: return error on unsupported SFP module when resetting
Date
4.16-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Emil Tantilov <emil.s.tantilov@intel.com>

[ Upstream commit bbb2707623f3ccc48695da2433f06d7c38193451 ]

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 | 3 +++
1 file changed, 3 insertions(+)

--- 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
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);

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