Commit-ID: ab4d2986e44c589aa1b647d7da5e21c2707babea
Gitweb: http://git.kernel.org/tip/ab4d2986e44c589aa1b647d7da5e21c2707babea
Author: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
AuthorDate: Thu, 29 Nov 2012 16:46:04 +0800
Committer: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
CommitDate: Thu, 7 Feb 2013 15:10:10 -0800
srcu: Simple cleanup for cleanup_srcu_struct()
Pack six lines of code into two lines.
Signed-off-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
---
kernel/srcu.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/kernel/srcu.c b/kernel/srcu.c
index 3e43a21..7cf5bab 100644
--- a/kernel/srcu.c
+++ b/kernel/srcu.c
@@ -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;
}
--
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