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iwlwifi: introduce iwl_sta_id_or_broadcast

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There are now five places where we need to
look up the station ID, but the sta pointer
may be NULL due to mac80211 passing that to
indicate a certain special state.

Replace all these by a new inline function,
called iwl_sta_id_or_broadcast(), and add
documentation about when to use it.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
This commit is contained in:
Johannes Berg 2010-04-30 14:08:00 -07:00 • committed by Reinette Chatre
commit 0af8bcae6f
5 changed files with 41 additions and 42 deletions
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