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gnrc: 6lowpan-nd: suppress wrong cppcheck warnings

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This commit is contained in:
Oleg Hahm 2017-03-07 17:43:55 +01:00
parent 191797bc6b
commit 45cd9ad5c4
1 changed files with 6 additions and 0 deletions
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6
sys/net/gnrc/network_layer/sixlowpan/nd/gnrc_sixlowpan_nd.c
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@ -142,6 +142,8 @@ kernel_pid_t gnrc_sixlowpan_nd_next_hop_l2addr(uint8_t *l2addr, uint8_t *l2addr_
#endif
#ifdef MODULE_GNRC_SIXLOWPAN_ND_ROUTER
/* next hop determination: https://tools.ietf.org/html/rfc6775#section-6.5.4 */
/* cppcheck-suppress redundantAssignment
* This path is only present for a certain configuration */
nc_entry = gnrc_ipv6_nc_get(iface, dst);
#ifdef MODULE_FIB
if ((next_hop != NULL) && (nc_entry == NULL)) {
@ -161,6 +163,8 @@ kernel_pid_t gnrc_sixlowpan_nd_next_hop_l2addr(uint8_t *l2addr, uint8_t *l2addr_
}
#endif
/* next hop determination according to: https://tools.ietf.org/html/rfc6775#section-5.6 */
/* cppcheck-suppress knownConditionTrueFalse
* cppcheck bug: next_hop might be set before */
if ((next_hop == NULL) && ipv6_addr_is_link_local(dst)) { /* prefix is "on-link" */
/* multicast is not handled here anyway so we don't need to check that */
next_hop = dst;
@ -175,6 +179,8 @@ kernel_pid_t gnrc_sixlowpan_nd_next_hop_l2addr(uint8_t *l2addr, uint8_t *l2addr_
}
/* address resolution of next_hop: https://tools.ietf.org/html/rfc6775#section-5.7 */
/* cppcheck-suppress knownConditionTrueFalse
* cppcheck bug: nc_entry might be set before */
if ((nc_entry == NULL) || (next_hop != dst)) {
/* get if not gotten from previous check */
nc_entry = gnrc_ipv6_nc_get(iface, next_hop);