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 <[email protected]>
---
kernel/cpuset.c | 25 +++++++++++++++----------
1 files changed, 15 insertions(+), 10 deletions(-)
--- 2.6.15-rc3-mm1.orig/kernel/cpuset.c 2005-12-07 19:15:37.420771718 -0800
+++ 2.6.15-rc3-mm1/kernel/cpuset.c 2005-12-07 19:16:31.104966322 -0800
@@ -799,18 +799,23 @@ static int update_nodemask(struct cpuset
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;
- retval = validate_change(cs, &trialcs);
- if (retval == 0) {
- 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);
+ if (nodes_empty(trialcs.mems_allowed)) {
+ retval = -ENOSPC;
+ goto done;
}
+ retval = validate_change(cs, &trialcs);
+ 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;
}
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <[email protected]> 1.650.933.1373
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
