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

From: Jesper Juhl
Date: Sat Apr 30 2005 - 20:50:29 EST


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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