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- pppd: Do not clobber exit codes on hangup
- When a modem hangup occurs, pppd unconditionally sets the exit status code
- to EXIT_HANGUP. This patch only sets EXIT_HANGUP if the exit status code is
- not already set to an error value.
- The motiviation of this patch is to allow applications which remote control
- pppd to react properly on errors, e.g. only redial (relaunch pppd) if there
- was a hangup, but not if the CHAP authentication failed.
- Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
- --- a/pppd/main.c
- +++ b/pppd/main.c
- @@ -1048,7 +1048,8 @@ get_input()
- }
- notice("Modem hangup");
- hungup = 1;
- - status = EXIT_HANGUP;
- + if (status == EXIT_OK)
- + status = EXIT_HANGUP;
- lcp_lowerdown(0); /* serial link is no longer available */
- link_terminated(0);
- return;
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