Re: [PATCH v4] HID: ft260: improve error handling of ft260_hid_feature_report_get()

From: Jiri Kosina
Date: Thu May 13 2021 - 07:09:21 EST


On Tue, 11 May 2021, Michael Zaidman wrote:

> Fixes: 6a82582d9fa4 ("HID: ft260: add usb hid to i2c host bridge driver")
>
> The ft260_hid_feature_report_get() checks if the return size matches
> the requested size. But the function can also fail with at least -ENOMEM.
> Add the < 0 checks.
>
> In ft260_hid_feature_report_get(), do not do the memcpy to the caller's
> buffer if there is an error.
>
> ---
> v4 Fixed commit message
> ---
> v3 Simplify and optimize the changes
> ---
> v2: add unlikely()'s for error conditions
> ---
>
> Signed-off-by: Tom Rix <trix@xxxxxxxxxx>
> Signed-off-by: Michael Zaidman <michael.zaidman@xxxxxxxxx>

Who should be the author of the git commit?

Thanks,

--
Jiri Kosina
SUSE Labs