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SubjectRe: [PATCH] uio.c: Fix warning: 'ret' might be used uninitialized
On Wed, Nov 28, 2012 at 10:58:32AM +0200, Vitalii Demianets wrote:
> On Wednesday 28 November 2012 00:43:41 Hans J. Koch wrote:
> >
> > Thanks, good catch, but why don't you simply do this:
> >
>
> Just a matter of personal preference.

Your patch: 1 files changed, 12 insertions(+), 4 deletions(-)
My patch: 1 files changed, 1 insertions(+), 1 deletions(-)

Both achieve exactly the same. That's not a matter of personal
preference, that's the difference between a working solution and
a good solution. In the kernel, we want the latter.

> As a maintainer you can apply either
> patch you want. I guess you would prefer your approach and I have no
> objections to that :)

That's not the right kind of comment. Don't make it a habit.

Thanks,
Hans

>
> >
> > >From 228445996bb75a44d16b6237eca6a0916d9b2d7e Mon Sep 17 00:00:00 2001
> > From: "Hans J. Koch" <hjk@hansjkoch.de>
> > Date: Tue, 27 Nov 2012 23:38:00 +0100
> > Subject: [PATCH] uio: Fix warning: 'ret' might be used uninitialized
> >
> > In two cases, the return value variable "ret" can be undefined.
> >
> > Signed-off-by: Hans J. Koch <hjk@hansjkoch.de>
> > ---
> > drivers/uio/uio.c | 2 +-
> > 1 files changed, 1 insertions(+), 1 deletions(-)
> >
> > diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
> > index 5110f36..fc60e35 100644
> > --- a/drivers/uio/uio.c
> > +++ b/drivers/uio/uio.c
> > @@ -263,7 +263,7 @@ static struct class uio_class = {
> > */
> > static int uio_dev_add_attributes(struct uio_device *idev)
> > {
> > - int ret;
> > + int ret = -ENOMEM;
> > int mi, pi;
> > int map_found = 0;
> > int portio_found = 0;
>
>
>
> --
> With Best Regards,
> Vitalii Demianets
>
>


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