Re: [PATCH] drivers: staging: greybus: fix GPF issue in gb_camera_capture

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On Thu, May 04, 2023 at 09:58:41PM +0800, Dongliang Mu wrote:
> In gb_camera_capture(), it does not check the value of settings
> before dereferencing it. And gb_camera_debugfs_capture calls
> gb_camera_capture with the 6th parameter settings as NULL.
> Fix this by checking the value of setting at the starting of
> gb_camera_capture.
> Fixes: 3265edaf0d70 ("greybus: Add driver for the camera class protocol")
> Signed-off-by: Dongliang Mu <dzm91@xxxxxxxxxxx>
> ---

No.  The original code is correct.  memcpy(p, NULL, 0); is allowed.

I don't see a bug.

dan carpenter

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