Messages in this thread | | | From | Linus Walleij <> | Date | Tue, 27 Mar 2018 15:43:00 +0200 | Subject | Re: [PATCH v2] gpio: ath79: Fix potential NULL dereference in ath79_gpio_probe() |
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On Sun, Mar 25, 2018 at 12:40 AM, Alban Bedel <albeu@free.fr> wrote:
> From: Wei Yongjun <weiyongjun1@huawei.com> > > platform_get_resource() may return NULL, add proper > check to avoid potential NULL dereferencing. > > This is detected by Coccinelle semantic patch. > > @@ > expression pdev, res, n, t, e, e1, e2; > @@ > > res = platform_get_resource(pdev, t, n); > + if (!res) > + return -EINVAL; > ... when != res == NULL > e = devm_ioremap(e1, res->start, e2); > > Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> > [albeu@free.fr: Fixed patch to apply on current tree] > Signed-off-by: Alban Bedel <albeu@free.fr>
Patch applied.
Yours, Linus Walleij
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