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src/core: fix gcc analyzer warning

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Make ip4_addr_isany check first to avoid warning:
"check of 'ipaddr' for NULL after already dereferencing it [-Werror=analyzer-deref-before-check]"
This commit is contained in:
Alexey Lapshin 2025-03-17 12:27:40 +07:00 committed by Erik Ekman
parent ca0395c5ae
commit 571c46253f
1 changed files with 3 additions and 3 deletions
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6
src/core/ipv4/etharp.c
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@ -940,9 +940,9 @@ etharp_query(struct netif *netif, const ip4_addr_t *ipaddr, struct pbuf *q)
netif_addr_idx_t i; netif_addr_idx_t i;
/* non-unicast address? */ /* non-unicast address? */
if (ip4_addr_isbroadcast(ipaddr, netif) || if (ip4_addr_isany(ipaddr) ||
ip4_addr_ismulticast(ipaddr) || ip4_addr_isbroadcast(ipaddr, netif) ||
ip4_addr_isany(ipaddr)) { ip4_addr_ismulticast(ipaddr)) {
LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: will not add non-unicast IP address to ARP cache\n")); LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: will not add non-unicast IP address to ARP cache\n"));
return ERR_ARG; return ERR_ARG;
} }