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Fixed bug #32648 (PPP code crashes when terminating a link) by only calling sio_read_abort() if the file descriptor is valid.

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This commit is contained in:
goldsimon
2011-03-22 20:59:49 +00:00
parent 7203680146
commit 3f849848a4
2 changed files with 9 additions and 15 deletions
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20
src/netif/ppp/ppp.c
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@@ -344,7 +344,9 @@ static void
pppRecvWakeup(int pd)
{
PPPDEBUG(LOG_DEBUG, ("pppRecvWakeup: unit %d\n", pd));
sio_read_abort(pppControl[pd].fd);
if (pppControl[pd].openFlag != 0) {
sio_read_abort(pppControl[pd].fd);
}
}
#endif /* PPPOS_SUPPORT */
@@ -681,20 +683,8 @@ pppClose(int pd)
void
pppSigHUP(int pd)
{
#if PPPOE_SUPPORT
PPPControl *pc = &pppControl[pd];
if(pc->ethif) {
PPPDEBUG(LOG_DEBUG, ("pppSigHUP: unit %d sig_hup -> pppHupCB\n", pd));
pppHup(pd);
} else
#endif /* PPPOE_SUPPORT */
{
#if PPPOS_SUPPORT
PPPDEBUG(LOG_DEBUG, ("pppSigHUP: unit %d sig_hup -> pppHupCB\n", pd));
pppHup(pd);
pppRecvWakeup(pd);
#endif /* PPPOS_SUPPORT */
}
PPPDEBUG(LOG_DEBUG, ("pppSigHUP: unit %d sig_hup -> pppHupCB\n", pd));
pppHup(pd);
}
#if PPPOS_SUPPORT