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PPP, PPPoS, added necessary comment about mutex

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This commit is contained in:
Sylvain Rochet 2015-03-08 12:05:13 +01:00
parent ea58a8103c
commit b23a6172ed
1 changed files with 1 additions and 0 deletions
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src/netif/ppp/pppos.c
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@ -653,6 +653,7 @@ pppos_input(ppp_pcb *ppp, u_char *s, int l)
pbuf_header(inp, -(s16_t)PBUF_LINK_HLEN);
#endif /* IP_FORWARD || LWIP_IPV6_FORWARD */
#if PPP_INPROC_MULTITHREADED
/* Non-blocking call, we don't need to unlock the mutex here */
if(tcpip_callback_with_block(pppos_input_callback, inp, 0) != ERR_OK) {
PPPDEBUG(LOG_ERR, ("pppos_input[%d]: tcpip_callback() failed, dropping packet\n", ppp->netif->num));
pbuf_free(inp);