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Fix potential NULL dereference

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This commit is contained in:
Joseph C. Lehner 2024-01-11 12:25:30 +01:00
parent 4b28cf9a66
commit 1545996501
1 changed files with 3 additions and 1 deletions
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4
ethsock.c
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@ -1325,6 +1325,8 @@ static int ethsock_ip_add_del(struct ethsock *sock, uint32_t ipaddr, uint32_t ip
(*undo)->ip[0] = ipaddr; (*undo)->ip[0] = ipaddr;
(*undo)->ip[1] = ipmask; (*undo)->ip[1] = ipmask;
} else if (!add && (!undo || !*undo)) {
return 0;
} }
ret = -1; ret = -1;
@ -1445,7 +1447,7 @@ int ethsock_ip_add(struct ethsock *sock, uint32_t ipaddr, uint32_t ipmask, struc
int ethsock_ip_del(struct ethsock *sock, struct ethsock_ip_undo **undo) int ethsock_ip_del(struct ethsock *sock, struct ethsock_ip_undo **undo)
{ {
if (!*undo) { if (!undo || !*undo) {
return 0; return 0;
} }