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

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On 5/13/21 4:09 AM, Jiri Kosina wrote:
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?

Go with the latest patch's author, Micheal.

Tom


Thanks,





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