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As SLIP directly accesses the tty code from its if_start() routine,

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mark if_sl as IFF_NEEDSGIANT.
This commit is contained in:
Robert Watson 2004-08-06 22:41:13 +00:00
parent 0f1f0c5d75
commit ebcd28e669
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=133238
1 changed files with 3 additions and 1 deletions
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4
sys/net/if_sl.c
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@ -309,7 +309,7 @@ slcreate()
#ifdef SLIP_IFF_OPTS
SLIP_IFF_OPTS;
#else
IFF_POINTOPOINT | SC_AUTOCOMP | IFF_MULTICAST;
IFF_POINTOPOINT | SC_AUTOCOMP | IFF_MULTICAST | IFF_NEEDSGIANT;
#endif
sc->sc_if.if_type = IFT_SLIP;
sc->sc_if.if_ioctl = slioctl;
@ -610,6 +610,8 @@ slstart(tp)
int s;
register int len = 0;
GIANT_REQUIRED; /* tty */
for (;;) {
/*
* Call output process whether or not there is more in the