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[PATCH 3/4] resource release cleanup in net/ (take 2)

To: Jesper Juhl <juhl-lkml@xxxxxx>
Subject: [PATCH 3/4] resource release cleanup in net/ (take 2)
From: Jesper Juhl <juhl-lkml@xxxxxx>
Date: Sun, 1 May 2005 03:52:12 +0200 (CEST)
Cc: acme@xxxxxxxxxxxxxxxxxx, Arnaldo Carvalho de Melo <arnaldo.melo@xxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>, Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>, Jouni Malinen <jkmaline@xxxxxxxxx>, James Morris <jmorris@xxxxxxxxxxxxxxxx>, Pedro Roque <roque@xxxxxxxxxxx>, Alexey Kuznetsov <kuznet@xxxxxxxxxxxxx>, Kunihiro Ishiguro <kunihiro@xxxxxxxxxxxxxx>, Mitsuru KANDA <mk@xxxxxxxxxxxxxx>, lksctp-developers@xxxxxxxxxxxxxxxxxxxxx, Andy Adamson <andros@xxxxxxxxx>, Bruce Fields <bfields@xxxxxxxxx>, netdev@xxxxxxxxxxx, linux-net@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <Pine.LNX.4.62.0505010341560.2094@dragon.hyggekrogen.localhost>
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On Sun, 1 May 2005, Jesper Juhl wrote:

> On Sat, 30 Apr 2005, Arnaldo Carvalho de Melo wrote:
> 
> > On 4/30/05, Jesper Juhl <juhl-lkml@xxxxxx> wrote:
> > > Hi David,
> > > 
> > > Since Andrew merged the patch that makes calling crypto_free_tfm() with a
> > > NULL pointer safe into 2.6.12-rc3-mm1, I made a patch to remove checks for
> > > NULL before calling that function, and while I was at it I removed similar
> > > redundant checks before calls to kfree() and vfree() in the same files.
> > > There are also a few tiny whitespace cleanups in there.
> > 
> > Jesper, I'd suggest that you left whitespaces for a separate patch, it
> > is always,
> > IMHO, better to have as small a patch as possible for reviewing.
> > 
> Sure thing. I've split the patches, and I believe that me going through 
> them a second time did them good, there are a few tiny changes over the 
> first version.
> 
> I split the patch in 4 parts (will send as replies to this mail) : 
>       1) crypto_free_tfm related changes
>       2) kfree related changes
>       3) vfree related changes
>       4) whitespace changes
> The whitespace changes ended up fairly bigger than initially. I expanded 
> the cleanup a bit. It's not a perfect, 100% complete cleanup, but it's IMO 
> a lot better than the originals.
> 

These are the vfree changes. Incremental patch on top of patch 2.


Signed-off-by: Jesper Juhl <juhl-lkml@xxxxxx>
---

 net/ipv4/ipcomp.c  |    3 +--
 net/ipv6/ipcomp6.c |    3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

--- linux-2.6.12-rc3-mm1/net/ipv4/ipcomp.c.old2 2005-05-01 03:23:56.000000000 
+0200
+++ linux-2.6.12-rc3-mm1/net/ipv4/ipcomp.c      2005-05-01 03:24:09.000000000 
+0200
@@ -296,8 +296,7 @@
 
        for_each_cpu(i) {
                void *scratch = *per_cpu_ptr(scratches, i);
-               if (scratch)
-                       vfree(scratch);
+               vfree(scratch);
        }
 
        free_percpu(scratches);
--- linux-2.6.12-rc3-mm1/net/ipv6/ipcomp6.c.old2        2005-05-01 
03:23:56.000000000 +0200
+++ linux-2.6.12-rc3-mm1/net/ipv6/ipcomp6.c     2005-05-01 03:24:09.000000000 
+0200
@@ -291,8 +291,7 @@
 
        for_each_cpu(i) {
                void *scratch = *per_cpu_ptr(scratches, i);
-               if (scratch)
-                       vfree(scratch);
+               vfree(scratch);
        }
 
        free_percpu(scratches);



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