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devloopback: simplify loopoput()

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remove unneeded waserror() block, loopoput is alled from
loopbackbwrite only so we will always get called with a
*single* block, so the concatblock() is not needed.
This commit is contained in:
cinap_lenrek 2016-11-07 22:08:21 +01:00
parent 857f2528e0
commit 23d217afb4
1 changed files with 2 additions and 12 deletions
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14
sys/src/9/port/devloopback.c
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@ -549,23 +549,13 @@ loopbackwrite(Chan *c, void *va, long n, vlong off)
} }
static long static long
loopoput(Loop *lb, Link *link, Block *volatile bp) loopoput(Loop *lb, Link *link, Block *bp)
{ {
long n; long n = BLEN(bp);
n = BLEN(bp);
/* make it a single block with space for the loopback timing header */
if(waserror()){
freeb(bp);
nexterror();
}
bp = padblock(bp, Tmsize); bp = padblock(bp, Tmsize);
if(bp->next)
bp = concatblock(bp);
if(BLEN(bp) < lb->minmtu) if(BLEN(bp) < lb->minmtu)
bp = adjustblock(bp, lb->minmtu); bp = adjustblock(bp, lb->minmtu);
poperror();
ptime(bp->rp, todget(nil)); ptime(bp->rp, todget(nil));
link->packets++; link->packets++;