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fix NULL checks (compiler error, tcp_rst allows pcb==NULL)

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This commit is contained in:
Simon Goldschmidt 2018-06-12 13:32:12 +02:00
parent 31bc2f9b20
commit e7c0619189
2 changed files with 5 additions and 3 deletions
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5
src/core/tcp.c
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@ -1534,10 +1534,13 @@ tcp_txnow(void)
err_t
tcp_process_refused_data(struct tcp_pcb *pcb)
{
#if TCP_QUEUE_OOSEQ && LWIP_WND_SCALE
struct pbuf *rest;
#endif /* TCP_QUEUE_OOSEQ && LWIP_WND_SCALE */
LWIP_ERROR("tcp_process_refused_data: invalid pcb", pcb != NULL, return ERR_ARG);
#if TCP_QUEUE_OOSEQ && LWIP_WND_SCALE
struct pbuf *rest;
while (pcb->refused_data != NULL)
#endif /* TCP_QUEUE_OOSEQ && LWIP_WND_SCALE */
{

3
src/core/tcp_out.c
View File

@ -1886,7 +1886,7 @@ tcp_output_fill_options(const struct tcp_pcb *pcb, struct pbuf *p, u8_t optflags
#endif
#if LWIP_TCP_SACK_OUT
if (num_sacks > 0) {
if (pcb && (num_sacks > 0)) {
tcp_build_sack_option(pcb, opts, num_sacks);
/* 1 word for SACKs header (including 2xNOP), and 2 words for each SACK */
sacks_len = 1 + num_sacks * 2;
@ -1979,7 +1979,6 @@ tcp_rst(const struct tcp_pcb *pcb, u32_t seqno, u32_t ackno,
u16_t wnd;
u8_t optlen;
LWIP_ASSERT("tcp_rst: invalid pcb", pcb != NULL);
LWIP_ASSERT("tcp_rst: invalid local_ip", local_ip != NULL);
LWIP_ASSERT("tcp_rst: invalid remote_ip", remote_ip != NULL);