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[PATCH 11/39] hfi1: drop null test before destroy functions

Started byJulia Lawall <Julia.Lawall@lip6.fr>
First post2015-09-13 14:40 +0200
Last post2015-09-15 16:00 +0200
Articles 2 — 2 participants

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  [PATCH 11/39] hfi1: drop null test before destroy functions Julia Lawall <Julia.Lawall@lip6.fr> - 2015-09-13 14:40 +0200
    RE: [PATCH 11/39] hfi1: drop null test before destroy functions "Marciniszyn, Mike" <mike.marciniszyn@intel.com> - 2015-09-15 16:00 +0200

#1223642 — [PATCH 11/39] hfi1: drop null test before destroy functions

FromJulia Lawall <Julia.Lawall@lip6.fr>
Date2015-09-13 14:40 +0200
Subject[PATCH 11/39] hfi1: drop null test before destroy functions
Message-ID<q8eJB-7J8-17@gated-at.bofh.it>
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>

---
 drivers/staging/rdma/hfi1/user_sdma.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/rdma/hfi1/user_sdma.c b/drivers/staging/rdma/hfi1/user_sdma.c
index 5552661..6620262 100644
--- a/drivers/staging/rdma/hfi1/user_sdma.c
+++ b/drivers/staging/rdma/hfi1/user_sdma.c
@@ -486,8 +486,7 @@ int hfi1_user_sdma_free_queues(struct hfi1_filedata *fd)
 			}
 			kfree(pq->reqs);
 		}
-		if (pq->txreq_cache)
-			kmem_cache_destroy(pq->txreq_cache);
+		kmem_cache_destroy(pq->txreq_cache);
 		kfree(pq);
 		fd->pq = NULL;
 	}

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#1225129

From"Marciniszyn, Mike" <mike.marciniszyn@intel.com>
Date2015-09-15 16:00 +0200
Message-ID<q8YW6-6Co-13@gated-at.bofh.it>
In reply to#1223642
> Subject: [PATCH 11/39] hfi1: 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>

Thanks for the patch!

Acked-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
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