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SubjectRe: [PATCH 111/190] Revert "gpio: aspeed: fix a potential NULL pointer dereference"
On Wed, Apr 21, 2021 at 03:53:44PM +0200, Bartosz Golaszewski wrote:
> On Wed, Apr 21, 2021 at 3:07 PM Greg Kroah-Hartman
> <gregkh@linuxfoundation.org> wrote:
> >
> > This reverts commit 6cf4511e9729c00a7306cf94085f9cc3c52ee723.
> >
> > Commits from @umn.edu addresses have been found to be submitted in "bad
> > faith" to try to test the kernel community's ability to review "known
> > malicious" changes. The result of these submissions can be found in a
> > paper published at the 42nd IEEE Symposium on Security and Privacy
> > entitled, "Open Source Insecurity: Stealthily Introducing
> > Vulnerabilities via Hypocrite Commits" written by Qiushi Wu (University
> > of Minnesota) and Kangjie Lu (University of Minnesota).
> >
> > Because of this, all submissions from this group must be reverted from
> > the kernel tree and will need to be re-reviewed again to determine if
> > they actually are a valid fix. Until that work is complete, remove this
> > change to ensure that no problems are being introduced into the
> > codebase.
> >
> > Cc: Kangjie Lu <kjlu@umn.edu>
> > Cc: Andrew Jeffery <andrew@aj.id.au>
> > Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
> > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> > ---
> > drivers/gpio/gpio-aspeed.c | 2 --
> > 1 file changed, 2 deletions(-)
> >
> > diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c
> > index b966f5e28ebf..91d0fdf8469d 100644
> > --- a/drivers/gpio/gpio-aspeed.c
> > +++ b/drivers/gpio/gpio-aspeed.c
> > @@ -1231,8 +1231,6 @@ static int __init aspeed_gpio_probe(struct platform_device *pdev)
> >
> > gpio->offset_timer =
> > devm_kzalloc(&pdev->dev, gpio->chip.ngpio, GFP_KERNEL);
> > - if (!gpio->offset_timer)
> > - return -ENOMEM;
> >
> > rc = devm_gpiochip_add_data(&pdev->dev, &gpio->chip, gpio);
> > if (rc < 0)
> > --
> > 2.31.1
> >
>
> Hi Greg,
>
> I'm sorry you need to waste your time on this cr*p.

Thanks, me too :(

> This patch wasn't wrong though, so I'd recommend it's left in the tree.

Now dropped from my queue, thanks for the review!

greg k-h

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