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net: l2: ppp: ipcp: clear options after protocol goes down

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Clear negotiated options in protocol down handler. That way all
addresses are properly requested (by sending 0.0.0.0 in Configure-Req)
in the subsequent option negotiation phases.

Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
This commit is contained in:
Marcin Niestroj 2020-06-30 22:54:28 +02:00 • committed by Carles Cufí
commit 7996f527d5
1 changed files with 7 additions and 0 deletions
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7
subsys/net/l2/ppp/ipcp.c
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@ -481,6 +481,13 @@ static void ipcp_down(struct ppp_fsm *fsm)
struct ppp_context *ctx = CONTAINER_OF(fsm, struct ppp_context,
ipcp.fsm);
memset(&ctx->ipcp.my_options.address, 0,
sizeof(ctx->ipcp.my_options.address));
memset(&ctx->ipcp.my_options.dns1_address, 0,
sizeof(ctx->ipcp.my_options.dns1_address));
memset(&ctx->ipcp.my_options.dns2_address, 0,
sizeof(ctx->ipcp.my_options.dns2_address));
if (!ctx->is_ipcp_up) {
return;
}