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dmaengine: drop null test before destroy functions 

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@lip6.fr>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Julia Lawall 2015-09-13 14:15:19 +02:00 committed by Vinod Koul
parent 9c811209eb
commit 240eb91607
1 changed files with 2 additions and 4 deletions
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2
drivers/dma/dmaengine.c
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@ -1066,10 +1066,8 @@ static void dmaengine_destroy_unmap_pool(void)
for (i = 0; i < ARRAY_SIZE(unmap_pool); i++) { for (i = 0; i < ARRAY_SIZE(unmap_pool); i++) {
struct dmaengine_unmap_pool *p = &unmap_pool[i]; struct dmaengine_unmap_pool *p = &unmap_pool[i];
if (p->pool)
mempool_destroy(p->pool); mempool_destroy(p->pool);
p->pool = NULL; p->pool = NULL;
if (p->cache)
kmem_cache_destroy(p->cache); kmem_cache_destroy(p->cache);
p->cache = NULL; p->cache = NULL;
} }