Re: [PATCH] staging: rtl8723au: Fix sparse warnings

From: Jes Sorensen
Date: Fri Dec 12 2014 - 13:52:52 EST

Larry Finger <Larry.Finger@xxxxxxxxxxxx> writes:
> On 12/12/2014 05:35 AM, Krzysztof Konopko wrote:
>> I was hunting particularly for inconsistencies with `sparse` and came
>> across this one. But I dug a bit further and I wonder why the driver is
>> not using standard stuff like the one in `include/linux/ieee80211.h`
>> where any data wider than one byte is clearly declared as __le<nn>?
> That is a good question. One possibility is that those definitions do
> not exist on some of the older kernels that Realtek supports. They
> generally work with 2.6.18 and newer.

The reason the 8723au driver doesn't use the defines from there is that
in ieee80211.h they are part of struct ieee80211_mgmt, while the 8723au
driver access the addba etc. elements without the full struct in place.

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