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srcu: Simple cleanup for cleanup_srcu_struct()

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Pack six lines of code into two lines.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Lai Jiangshan 2012-11-29 16:46:04 +08:00 committed by Paul E. McKenney
parent 6e6f1b307e
commit ab4d2986e4
1 changed files with 2 additions and 6 deletions
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8
kernel/srcu.c
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@ -282,12 +282,8 @@ static int srcu_readers_active(struct srcu_struct *sp)
*/
void cleanup_srcu_struct(struct srcu_struct *sp)
{
int sum;
sum = srcu_readers_active(sp);
WARN_ON(sum); /* Leakage unless caller handles error. */
if (sum != 0)
return;
if (WARN_ON(srcu_readers_active(sp)))
return; /* Leakage unless caller handles error. */
free_percpu(sp->per_cpu_ref);
sp->per_cpu_ref = NULL;
}