Re: [PATCH 38/39] iommu/amd: drop null test before destroy functions

From: Joerg Roedel
Date: Tue Sep 29 2015 - 09:41:32 EST


On Sun, Sep 13, 2015 at 02:15:31PM +0200, Julia Lawall wrote:
> 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);
> x = NULL;
> -}
> // </smpl>
>
> Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>
>
> ---
> drivers/iommu/amd_iommu_init.c | 7 ++-----
> 1 file changed, 2 insertions(+), 5 deletions(-)

Applied, thanks.

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