From: Akinobu Mita <akinobu.mita@gmail.com>

Percpu data is not freed on module unloading.

Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Hoang-Nam Nguyen <hnguyen@de.ibm.com>
Cc: Christoph Raisch <raisch@de.ibm.com>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 drivers/infiniband/hw/ehca/ehca_irq.c |    2 ++
 1 file changed, 2 insertions(+)

diff -puN drivers/infiniband/hw/ehca/ehca_irq.c~ehca-fix-memleak-on-module-unloading drivers/infiniband/hw/ehca/ehca_irq.c
--- a/drivers/infiniband/hw/ehca/ehca_irq.c~ehca-fix-memleak-on-module-unloading
+++ a/drivers/infiniband/hw/ehca/ehca_irq.c
@@ -785,6 +785,8 @@ void ehca_destroy_comp_pool(void)
 		if (cpu_online(i))
 			destroy_comp_task(pool, i);
 	}
+	free_percpu(pool->cpu_comp_tasks);
+	kfree(pool);
 #endif
 
 	return;
_