[PATCH v2] mac80211: reject/clear user rate mask if not usable

[Johannes Berg]

On Fri, 2020-11-13 at 10:08 +0800, Wen Gong wrote:
> 
> > Which was the intent of this change, wasn't it?

Indeed. Permitting this leads to warnings later.

> We need to set the tx rate to fixed at a single rate, e.g., 
> 54M/48M/36M... for a test case.
> I do not want a clear error message, I want to the 54M rate pass/set 
> success to lower wlan driver.
> Then lower wlan driver can handle it.

No, that will not happen. You should configure your test AP to actually
support 54M.

johannes