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    Subject[PATCH 01/39] mtd: nandsim: drop null test before destroy functions
    Date
    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/mtd/nand/nandsim.c | 3 +--
    1 file changed, 1 insertion(+), 2 deletions(-)

    diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
    index 95d0cc4..b16d70a 100644
    --- a/drivers/mtd/nand/nandsim.c
    +++ b/drivers/mtd/nand/nandsim.c
    @@ -649,8 +649,7 @@ static void free_device(struct nandsim *ns)
    kmem_cache_free(ns->nand_pages_slab,
    ns->pages[i].byte);
    }
    - if (ns->nand_pages_slab)
    - kmem_cache_destroy(ns->nand_pages_slab);
    + kmem_cache_destroy(ns->nand_pages_slab);
    vfree(ns->pages);
    }
    }


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