[PATCH] drivers/block/aoe/aoedev: NULL check is not needed for mempool_destroy

[zhong jiang]

mempool_destroy has taken the null pointer into account. So it is safe
to remove the null check.

Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx>
---
 drivers/block/aoe/aoedev.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/block/aoe/aoedev.c b/drivers/block/aoe/aoedev.c
index 697f735..41060e9 100644
--- a/drivers/block/aoe/aoedev.c
+++ b/drivers/block/aoe/aoedev.c
@@ -284,8 +284,8 @@
 	e = t + d->ntargets;
 	for (; t < e && *t; t++)
 		freetgt(d, *t);
-	if (d->bufpool)
-		mempool_destroy(d->bufpool);
+
+	mempool_destroy(d->bufpool);
 	skbpoolfree(d);
 	minor_free(d->sysminor);
 
-- 
1.7.12.4