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SubjectRe: [PATCH] gpio: mockup: fix a potential crash when creating debugfs entries
On Sun, Mar 4, 2018 at 1:45 PM, Bartosz Golaszewski <> wrote:

> If we failed to create the top debugfs directory, we must not try to
> create the child nodes. We currently only check if gpio_mockup_dbg_dir
> is not NULL, but it can also contain an errno if debugfs is disabled
> in build options. Use IS_ERR_OR_NULL() instead.
> Signed-off-by: Bartosz Golaszewski <>

Patch applied.

Linus Walleij

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