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lowpan6.c: Fix ‘lowpan6_context_lookup’ defined but not used build warning
Fix build warning with LWIP_6LOWPAN_NUM_CONTEXTS==0. lowpan6_context_lookup() is only used when LWIP_6LOWPAN_IPHC && LWIP_6LOWPAN_NUM_CONTEXTS > 0. Signed-off-by: Axel Lin <axel.lin@ingics.com>
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@ -146,11 +146,10 @@ dequeue_datagram(struct lowpan6_reass_helper *lrh)
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return ERR_OK;
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}
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#if LWIP_6LOWPAN_IPHC
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#if LWIP_6LOWPAN_IPHC && LWIP_6LOWPAN_NUM_CONTEXTS > 0
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static s8_t
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lowpan6_context_lookup(const ip6_addr_t *ip6addr)
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{
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#if LWIP_6LOWPAN_NUM_CONTEXTS > 0
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s8_t i;
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for (i = 0; i < LWIP_6LOWPAN_NUM_CONTEXTS; i++) {
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@ -158,12 +157,9 @@ lowpan6_context_lookup(const ip6_addr_t *ip6addr)
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return i;
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}
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}
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#else
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LWIP_UNUSED_ARG(ip6addr);
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#endif
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return -1;
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}
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#endif /* LWIP_6LOWPAN_IPHC */
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#endif /* LWIP_6LOWPAN_IPHC && LWIP_6LOWPAN_NUM_CONTEXTS > 0 */
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#if LWIP_6LOWPAN_IPHC || LWIP_6LOWPAN_INFER_SHORT_ADDRESS
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/* Determine compression mode for unicast address. */
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