flow_dissector: Fix MPLS entropy label handling in flow dissector
Need to shift after masking to get label value for comparison.
Fixes: b3baa0fbd0
("mpls: Add MPLS entropy label in flow_keys")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -299,8 +299,8 @@ mpls:
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if (!hdr)
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return false;
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if ((ntohl(hdr[0].entry) & MPLS_LS_LABEL_MASK) ==
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MPLS_LABEL_ENTROPY) {
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if ((ntohl(hdr[0].entry) & MPLS_LS_LABEL_MASK) >>
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MPLS_LS_LABEL_SHIFT == MPLS_LABEL_ENTROPY) {
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if (skb_flow_dissector_uses_key(flow_dissector,
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FLOW_DISSECTOR_KEY_MPLS_ENTROPY)) {
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key_keyid = skb_flow_dissector_target(flow_dissector,
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