[PATCH 24/39] dlm: drop null test before destroy functions

From: Julia Lawall
Date: Sun Sep 13 2015 - 08:32:50 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>

---
fs/dlm/memory.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/fs/dlm/memory.c b/fs/dlm/memory.c
index 7cd24bc..0349c89 100644
--- a/fs/dlm/memory.c
+++ b/fs/dlm/memory.c
@@ -38,10 +38,8 @@ int __init dlm_memory_init(void)

void dlm_memory_exit(void)
{
- if (lkb_cache)
- kmem_cache_destroy(lkb_cache);
- if (rsb_cache)
- kmem_cache_destroy(rsb_cache);
+ kmem_cache_destroy(lkb_cache);
+ kmem_cache_destroy(rsb_cache);
}

char *dlm_allocate_lvb(struct dlm_ls *ls)

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