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Add comment about my fix to bug #47512: MPU_COMPATIBLE may fail on empty pool to api_lib.c

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Code looks like it could be optimized, but it can not!
This commit is contained in:
Dirk Ziegelmeier 2017-01-12 16:36:17 +01:00
parent 2c3538cb8f
commit bc583c993a
1 changed files with 4 additions and 0 deletions
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4
src/api/api_lib.c
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@ -408,6 +408,8 @@ netconn_accept(struct netconn *conn, struct netconn **new_conn)
}
#if TCP_LISTEN_BACKLOG
/* need to allocate API message here so empty message pool does not result in event loss
* see bug #47512: MPU_COMPATIBLE may fail on empty pool */
API_MSG_VAR_ALLOC(msg);
#endif /* TCP_LISTEN_BACKLOG */
@ -512,6 +514,8 @@ netconn_recv_data(struct netconn *conn, void **new_buf)
if (NETCONNTYPE_GROUP(conn->type) == NETCONN_TCP)
#endif /* (LWIP_UDP || LWIP_RAW) */
{
/* need to allocate API message here so empty message pool does not result in event loss
* see bug #47512: MPU_COMPATIBLE may fail on empty pool */
API_MSG_VAR_ALLOC(msg);
}
#endif /* LWIP_TCP */