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[PATCH] cpuset: update_nodemask code reformat 

Restructure code layout of the kernel/cpuset.c update_nodemask() routine,
removing embedded returns and nested if's in favor of goto completion labels.
This is being done in anticipation of adding more logic to this routine, which
will favor the goto style structure.

Signed-off-by: Paul Jackson <pj@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Paul Jackson 2006-01-08 01:01:52 -08:00 committed by Linus Torvalds
parent c5b2aff896
commit 59dac16fb9
1 changed files with 15 additions and 10 deletions
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15
kernel/cpuset.c
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@ -799,18 +799,23 @@ static int update_nodemask(struct cpuset *cs, char *buf)
trialcs = *cs;
retval = nodelist_parse(buf, trialcs.mems_allowed);
if (retval < 0)
return retval;
goto done;
nodes_and(trialcs.mems_allowed, trialcs.mems_allowed, node_online_map);
if (nodes_empty(trialcs.mems_allowed))
return -ENOSPC;
if (nodes_empty(trialcs.mems_allowed)) {
retval = -ENOSPC;
goto done;
}
retval = validate_change(cs, &trialcs);
if (retval == 0) {
if (retval < 0)
goto done;
down(&callback_sem);
cs->mems_allowed = trialcs.mems_allowed;
atomic_inc(&cpuset_mems_generation);
cs->mems_generation = atomic_read(&cpuset_mems_generation);
up(&callback_sem);
}
done:
return retval;
}