liquidio: Fix wrong return value in cn23xx_get_pf_num()
[ Upstream commit5.4-rM2-2.2.x-imx-squashedaa027850a2
] On an error exit path, a negative error code should be returned instead of a positive return value. Fixes:0c45d7fe12
("liquidio: fix use of pf in pass-through mode in a virtual machine") Cc: Rick Farrington <ricardo.farrington@cavium.com> Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>
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eb4afeaf86
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dc66a35ffe
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@ -1167,7 +1167,7 @@ static int cn23xx_get_pf_num(struct octeon_device *oct)
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oct->pf_num = ((fdl_bit >> CN23XX_PCIE_SRIOV_FDL_BIT_POS) &
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CN23XX_PCIE_SRIOV_FDL_MASK);
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} else {
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ret = EINVAL;
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ret = -EINVAL;
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/* Under some virtual environments, extended PCI regs are
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* inaccessible, in which case the above read will have failed.
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