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net: tcp2: Fix handling of the END TCP option

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End option indicates the end of the option list. Hence, correct way to
handle it is to break out of the option parsing routine.

Signed-off-by: Ruslan Mstoi <ruslan.mstoi@intel.com>
This commit is contained in:
Ruslan Mstoi 2020-04-01 13:50:44 +03:00 • committed by Jukka Rissanen
commit e5f714575e
1 changed files with 3 additions and 1 deletions
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4
subsys/net/ip/tcp2.c
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@ -387,7 +387,9 @@ static bool tcp_options_check(void *buf, ssize_t len)
NET_DBG("opt: %hu, opt_len: %hu", (u16_t)opt, (u16_t)opt_len); NET_DBG("opt: %hu, opt_len: %hu", (u16_t)opt, (u16_t)opt_len);
if (opt == TCPOPT_END || opt == TCPOPT_NOP) { if (opt == TCPOPT_END) {
break;
} else if (opt == TCPOPT_NOP) {
continue; continue;
} }