[PATCH 08/39] pktcdvd: drop null test before destroy functions

From: Julia Lawall
Date: Sun Sep 13 2015 - 08:34:22 EST


Remove unneeded NULL test.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@ expression x; @@
-if (x != NULL)
\(kmem_cache_destroy\|mempool_destroy\|dma_pool_destroy\)(x);
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>

---
drivers/block/pktcdvd.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 7be2375..cd813f9 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -2803,8 +2803,7 @@ out_new_dev:
out_mem2:
put_disk(disk);
out_mem:
- if (pd->rb_pool)
- mempool_destroy(pd->rb_pool);
+ mempool_destroy(pd->rb_pool);
kfree(pd);
out_mutex:
mutex_unlock(&ctl_mutex);

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