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IB/ehca: Ensure that guid_entry index is not negative
This prevents the memcpy() of a guid_entries element using a negative index. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
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@ -319,7 +319,7 @@ int ehca_query_gid(struct ib_device *ibdev, u8 port,
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ib_device);
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ib_device);
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struct hipz_query_port *rblock;
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struct hipz_query_port *rblock;
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if (index > 255) {
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if (index < 0 || index > 255) {
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ehca_err(&shca->ib_device, "Invalid index: %x.", index);
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ehca_err(&shca->ib_device, "Invalid index: %x.", index);
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return -EINVAL;
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return -EINVAL;
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}
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}
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