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api_lib.c: Don't propagate NULL pointers as ip address to subsequent functions

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This commit is contained in:
Dirk Ziegelmeier 2016-03-03 22:49:55 +01:00
parent 1dea649cff
commit 0a7f404d09
1 changed files with 10 additions and 9 deletions
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19
src/api/api_lib.c
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@ -200,15 +200,15 @@ netconn_bind(struct netconn *conn, const ip_addr_t *addr, u16_t port)
{
API_MSG_VAR_DECLARE(msg);
err_t err;
LWIP_ERROR("netconn_bind: invalid conn", (conn != NULL), return ERR_ARG;);
API_MSG_VAR_ALLOC(msg);
#if LWIP_MPU_COMPATIBLE
/* Don't propagate NULL pointer (IP_ADDR_ANY alias) to subsequent functions */
if (addr == NULL) {
addr = IP_ADDR_ANY;
}
#endif /* LWIP_MPU_COMPATIBLE */
API_MSG_VAR_ALLOC(msg);
API_MSG_VAR_REF(msg).msg.conn = conn;
API_MSG_VAR_REF(msg).msg.msg.bc.ipaddr = API_MSG_VAR_REF(addr);
API_MSG_VAR_REF(msg).msg.msg.bc.port = port;
@ -234,12 +234,12 @@ netconn_connect(struct netconn *conn, const ip_addr_t *addr, u16_t port)
LWIP_ERROR("netconn_connect: invalid conn", (conn != NULL), return ERR_ARG;);
API_MSG_VAR_ALLOC(msg);
#if LWIP_MPU_COMPATIBLE
/* Don't propagate NULL pointer (IP_ADDR_ANY alias) to subsequent functions */
if (addr == NULL) {
addr = IP_ADDR_ANY;
}
#endif /* LWIP_MPU_COMPATIBLE */
API_MSG_VAR_ALLOC(msg);
API_MSG_VAR_REF(msg).msg.conn = conn;
API_MSG_VAR_REF(msg).msg.msg.bc.ipaddr = API_MSG_VAR_REF(addr);
API_MSG_VAR_REF(msg).msg.msg.bc.port = port;
@ -793,14 +793,15 @@ netconn_join_leave_group(struct netconn *conn,
LWIP_ERROR("netconn_join_leave_group: invalid conn", (conn != NULL), return ERR_ARG;);
API_MSG_VAR_ALLOC(msg);
#if LWIP_MPU_COMPATIBLE
/* Don't propagate NULL pointer (IP_ADDR_ANY alias) to subsequent functions */
if (multiaddr == NULL) {
multiaddr = IP_ADDR_ANY;
}
if (netif_addr == NULL) {
netif_addr = IP_ADDR_ANY;
}
#endif /* LWIP_MPU_COMPATIBLE */
API_MSG_VAR_REF(msg).msg.conn = conn;
API_MSG_VAR_REF(msg).msg.msg.jl.multiaddr = API_MSG_VAR_REF(multiaddr);
API_MSG_VAR_REF(msg).msg.msg.jl.netif_addr = API_MSG_VAR_REF(netif_addr);