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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:7OCPy2SUdBcSv+8Mxzo/aqtRU6s4oCsiraPxPzp2IeYy+h8LBLu qITYLg3yidz7IaYHotwH6v8kRkea9+B1hs+uE4JrmK6nbIkKEwL9FexTN3oGOxS7JKw9w6/ kFWv0FZYOEoLpBF/2vz/eLzN8/6rxV2Vc7n+xZJ1AlD9ChFotrZ32WZFD3aqOuil3Yi2+KY xJjXsU0I/JlYXffQx5QRA== X-UI-Out-Filterresults: notjunk:1;V03:K0:P5C09fY/Evc=:HsOwc16QAcSGGv0Oz6DxOE 3JCVhTiTIUjkWalHu3U24o2RvMCm397xO3AT7MFHthWc9yabvoxzmfGUoZt3bKanMhTKlTHQC 6ldte0d8QOJHRMNtsHZDd2U0Q7ylrxhU4cW7TvsfzgREuVIbudmaFpnPkwudc/iFjd2cxob8U TmW+f1QKwDYgbt07GYaqePqRj9ixi/w2YRxFEQN0izjKaECIMu4HyDgB2i83NLm4ayGTSBiLC +cwkA1S76RM/WBwq+4dN1klIHr3amDPX08XkgNw7H5W87uoPLrq8pptOTTJr1gaSyZ5TBu1xn /17dlzJVcJdmM1s4S6VrNjCu+IlDoCiV6wP3J+A3FReKNOxPa/ks3Elj5IieW9SfhKc/0ZFZg K+bz0cwtm3u6MePg7+sLWPEAidU7xn9713mAluibYrU+i6/ieMqW/KJBrxAs4Gds4KDqONupI Zei7/N2ABlL7Qtw0sEd13ssNBqE8fIkRiDcV8ffQhEvnyyzbgtWhabq9t55Jjye7Adl4ijesg N9v3BjP6bSACb0tsjhC6hxPTLyZv9XUmFsezzsqdX2rwCWfXWn/eX2r7AwLmXJ1alp5hQ5EXr If33YeTVNmzUI/17mxddt6U1TBEdTj0FLUuwRoqMQk/zaHx53qChdwiB77W57IvDai081O7yJ 1jtBaK6jFyU/JL7wuz8pw1cG0ky4cIKzoz8gJ7uZkJt7GHjyohryfPkp0+hDTUSjv9XNYxrbs UI26fRKO/sLB0BKQ6fGt579wpTjI7vPLN2kTgIVPq18+E8BNuZSRii7n+PksRfObnx0v5AFQB Ha5AUIZSC1B+/qtUw9+MFad6Kd85d8ig8DM9dF8pfKm09gu4FCjEyohpFhuU4SUXaHBAQfFSI XaXSvJgglFdihOqL2pPTKAZ9m0mUxnSv0FE8vJWV+CEj2bkJjN6hd14fJdhbLJkB/ovmoltsa meXsPfDTBtch53hkk5zf3y8Z5qMQ4vDRQSRfwnOqYqwNWa9D9/5JiBEGUFe3OJdrOfCEvaRJc UwttMqHG1eDVRKoPuZGDplknFMjMLzgs/lqXefIy7oR8sJ60M/xkY0oDRD12bomvZYMWzukYQ 1Pi2MINu8RwgBsk8XUZC3+KIl7WEJCjHIG0R2EpOHnAy/fvshAlyzHZvq728JODAQuXPM6Yz1 s1wvLWkOhPvSU5TY8lvsSSUs6hOwtCyg+j3SRkEnAU+USDIEzLLrh3nWCqZOYPI1HhBx+rgWN tCfr2kgU7pPGpLxTcvg5u4GzoBherTKCZyUweDw== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, A source code analysis approach by the means of the semantic patch languag= e (Coccinelle software) pointed an implementation detail out for further development considerations. The functions =E2=80=9Cmtu3_gadget_ep_set_halt=E2=80=9D and =E2=80=9Cmtu3_= gadget_ep_set_wedge=E2=80=9D check at the beginning if the input parameter =E2=80=9Cep=E2=80=9D is a null poi= nter. The error code =E2=80=9C-EINVAL=E2=80=9D will be returned then. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/dr= ivers/usb/mtu3/mtu3_gadget.c?id=3D1590a2e1c681b0991bd42c992cabfd380e0338f2= #n371 https://elixir.bootlin.com/linux/v5.7.2/source/drivers/usb/mtu3/mtu3_gadge= t.c#L371 Can it be nicer to assign the variable =E2=80=9Cmep=E2=80=9D only after a = successful check instead of an initialisation before? Regards, Markus