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nd6: Fix build error if LWIP_ND6_RDNSS_MAX_DNS_SERVERS == 0
Fix below build error when LWIP_ND6_RDNSS_MAX_DNS_SERVERS == 0
../../../../lwip/src/core/ipv6/nd6.c: In function ‘nd6_input’:
../../../../lwip/src/core/ipv6/nd6.c:400:10: error: unused variable ‘rdnss_server_idx’ [-Werror=unused-variable]
u8_t rdnss_server_idx = 0;
^~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
../Common.mk:93: recipe for target 'nd6.o' failed
make: *** [nd6.o] Error 1
Fixes: 6b1950ec24
("nd6: add support for RDNSS option (as per RFC 6106)")
Signed-off-by: Axel Lin <axel.lin@ingics.com>
This commit is contained in:
parent
6b1950ec24
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e3925cc359
@ -395,7 +395,7 @@ nd6_input(struct pbuf *p, struct netif *inp)
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struct ra_header *ra_hdr;
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struct ra_header *ra_hdr;
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u8_t *buffer; /* Used to copy options. */
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u8_t *buffer; /* Used to copy options. */
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u16_t offset;
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u16_t offset;
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#ifdef LWIP_ND6_RDNSS_MAX_DNS_SERVERS
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#if LWIP_ND6_RDNSS_MAX_DNS_SERVERS
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/* There can by multiple RDNSS options per RA */
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/* There can by multiple RDNSS options per RA */
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u8_t rdnss_server_idx = 0;
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u8_t rdnss_server_idx = 0;
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#endif /* LWIP_ND6_RDNSS_MAX_DNS_SERVERS */
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#endif /* LWIP_ND6_RDNSS_MAX_DNS_SERVERS */
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