[PATCH 18/39] whci: drop null test before destroy functions

From: Julia Lawall
Date: Sun Sep 13 2015 - 08:30:08 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/usb/host/whci/init.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/usb/host/whci/init.c b/drivers/usb/host/whci/init.c
index d3e13b6..e363723 100644
--- a/drivers/usb/host/whci/init.c
+++ b/drivers/usb/host/whci/init.c
@@ -175,8 +175,7 @@ void whc_clean_up(struct whc *whc)
pzl_clean_up(whc);
asl_clean_up(whc);

- if (whc->qset_pool)
- dma_pool_destroy(whc->qset_pool);
+ dma_pool_destroy(whc->qset_pool);

len = resource_size(&whc->umc->resource);
if (whc->base)

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