Hello Dan,
Thanks for the review and sorry for the late reply.
On Thu, May 15, 2014 at 11:32:13PM +0300, Dan Carpenter wrote:
> On Thu, May 15, 2014 at 09:24:30PM +0200, Emil Goode wrote:
> > If we fail to allocate struct platform_device pdev we
> > dereference it after the goto label err.
> >
> > I have rearranged the error handling a bit to fix the issue
> > and also make it more clear.
> >
> > Signed-off-by: Emil Goode <emilgoode@xxxxxxxxx>
> > ---
> > arch/arm/mach-imx/devices/platform-ipu-core.c | 22 +++++++++++++---------
> > 1 file changed, 13 insertions(+), 9 deletions(-)
> >
> > diff --git a/arch/arm/mach-imx/devices/platform-ipu-core.c b/arch/arm/mach-imx/devices/platform-ipu-core.c
> > index fc4dd7c..14d61d9 100644
> > --- a/arch/arm/mach-imx/devices/platform-ipu-core.c
> > +++ b/arch/arm/mach-imx/devices/platform-ipu-core.c
> > @@ -77,34 +77,38 @@ struct platform_device *__init imx_alloc_mx3_camera(
> >
> > pdev = platform_device_alloc("mx3-camera", 0);
> > if (!pdev)
> > - goto err;
> > + return ERR_PTR(ret);
>
> It's more readable to say "return ERR_PTR(-ENOMEM);".
I think so to, will change this one but still use the ret variable at the
bottom of the function.
>
> This patch is great but the subject should say "fix" and not "clean up"
> since it fixes a NULL dereference bug. The people who call their
> checkpatch.pl clean ups "fixes" are also doing it wrong but those are
> newbies and not worth educating.
I agree, it's a bug fix and not a clean up.
Will resend tomorrow.
Best regards,
Emil Goode
>
> regards,
> dan carpenter
>
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