linux-kernel - Re: [PATCH 28/39] ecryptfs: drop null test before destroy functions

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Message-ID: <20150915144535.GB3665@boyd>
Date:	Tue, 15 Sep 2015 09:45:35 -0500
From:	Tyler Hicks <tyhicks@...onical.com>
To:	Julia Lawall <julia.lawall@...6.fr>
Cc:	sergey.senozhatsky@...il.com, kernel-janitors@...r.kernel.org,
	ecryptfs@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 28/39] ecryptfs: drop null test before destroy functions

On 2015-09-15 06:36:30, Julia Lawall wrote:
> 
> 
> On Mon, 14 Sep 2015, Tyler Hicks wrote:
> 
> > On 2015-09-13 14:15:21, 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);
> > > // </smpl>
> > > 
> > > Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>
> > 
> > Acked-by: Tyler Hicks <tyhicks@...onical.com>
> > 
> > I assume that you'll be landing this patch set into Linus' tree all
> > together. Let me know if that's incorrect and I should take this single
> > patch into the eCryptfs dev tree.
> 
> I'm not doing anythign after this point.  Some others have taken the patch
> into their trees.

I've taken it into my tree. Thanks again.

Tyler

> 
> julia
> 
> > 
> > Thanks!
> > 
> > Tyler
> > 
> > > 
> > > ---
> > >  fs/ecryptfs/main.c |    3 +--
> > >  1 file changed, 1 insertion(+), 2 deletions(-)
> > > 
> > > diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
> > > index 4f4d047..e83f31c 100644
> > > --- a/fs/ecryptfs/main.c
> > > +++ b/fs/ecryptfs/main.c
> > > @@ -737,8 +737,7 @@ static void ecryptfs_free_kmem_caches(void)
> > >  		struct ecryptfs_cache_info *info;
> > >  
> > >  		info = &ecryptfs_cache_infos[i];
> > > -		if (*(info->cache))
> > > -			kmem_cache_destroy(*(info->cache));
> > > +		kmem_cache_destroy(*(info->cache));
> > >  	}
> > >  }
> > >  
> > > 
> > 
> --
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