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[ Upstream commit27161db090] While phylink_pcs_ops :: pcs_get_state does return void, xpcs_get_state() does check for a non-zero return code from xpcs_get_state_c37_sgmii() and prints that as a message to the kernel log. However, a non-zero return code from xpcs_read() is translated into "return false" (i.e. zero as int) and the I/O error is therefore not printed. Fix that. Fixes:b97b5331b8("net: pcs: add C37 SGMII AN support for intel mGbE controller") Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Link: https://lore.kernel.org/r/20220720112057.3504398-1-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>