[PATCH v6] mac80211: Remove control.sta from struct ieee80211_tx_info and restructure tx-path

[Johannes Berg]

On Thu, 2012-07-26 at 18:09 +0200, Thomas Huehn wrote:
> The pointer control.sta is removed from ieee80211_tx_info to free up
> sufficient memory in SKB_CB on the tx-path to enable new annotations
> per data packet e.g.support of upcoming Transmit Power Control (TPC).
> Now the control.sta pointer is put on the stack where passed as
> function parameter to the .tx equivalent (ieee80211_ops) of each
> affected wireless driver.
> Therefore a new structure ieee80211_tx_control is added to mac80211.h
> which holds the sta structure instead. The tx-path of all affected
> drivers is restructured to respect the chaneges.

*sigh*

/home/johannes/sys/wireless/drivers/net/wireless/ti/wlcore/tx.c: In
function ‘wl1271_skb_queue_head’:
/home/johannes/sys/wireless/drivers/net/wireless/ti/wlcore/tx.c:622:48:
warning: ‘hlid’ may be used uninitialized in this function
[-Wuninitialized]
/home/johannes/sys/wireless/drivers/net/wireless/ti/wlcore/tx.c: In
function ‘wlcore_tx_work_locked’:
/home/johannes/sys/wireless/drivers/net/wireless/ti/wlcore/tx.c:391:47:
warning: ‘hlid’ may be used uninitialized in this function
[-Wuninitialized]
/home/johannes/sys/wireless/drivers/net/wireless/ti/wlcore/tx.c:351:5:
note: ‘hlid’ was declared here


johannes