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cfg80211: make regulatory_request use wiphy_idx instead of wiphy

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We do this so later on we can move the pending requests onto a
workqueue. By using the wiphy_idx instead of the wiphy we can
later easily check if the wiphy has disappeared or not.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Luis R. Rodriguez
2009-02-21 00:04:26 -05:00
committed by John W. Linville
parent 761cf7ecff
commit 806a9e3967
4 changed files with 82 additions and 30 deletions
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net/wireless/core.c
+27 -3
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@@ -40,9 +40,8 @@ DEFINE_MUTEX(cfg80211_mutex);
/* for debugfs */
static struct dentry *ieee80211_debugfs_dir;
/* requires cfg80211_drv_mutex to be held! */
static struct cfg80211_registered_device *
cfg80211_drv_by_wiphy_idx(int wiphy_idx)
/* requires cfg80211_mutex to be held! */
struct cfg80211_registered_device *cfg80211_drv_by_wiphy_idx(int wiphy_idx)
{
struct cfg80211_registered_device *result = NULL, *drv;
@@ -61,6 +60,31 @@ cfg80211_drv_by_wiphy_idx(int wiphy_idx)
return result;
}
int get_wiphy_idx(struct wiphy *wiphy)
{
struct cfg80211_registered_device *drv;
if (!wiphy)
return WIPHY_IDX_STALE;
drv = wiphy_to_dev(wiphy);
return drv->wiphy_idx;
}
/* requires cfg80211_drv_mutex to be held! */
struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx)
{
struct cfg80211_registered_device *drv;
if (!wiphy_idx_valid(wiphy_idx))
return NULL;
assert_cfg80211_lock();
drv = cfg80211_drv_by_wiphy_idx(wiphy_idx);
if (!drv)
return NULL;
return &drv->wiphy;
}
/* requires cfg80211_mutex to be held! */
static struct cfg80211_registered_device *
__cfg80211_drv_from_info(struct genl_info *info)