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| author | Ben Greear <greearb@candelatech.com> | 2013-06-19 14:06:27 -0700 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-06-24 15:54:45 +0200 |
| commit | 0e3a39b5620bc84f25ffb0592b05b0350e8b0520 (patch) | |
| tree | 0b54e4bf90ff44b7e726393b50b6ba750ba4a936 /net/wireless | |
| parent | 6f390908e58113b9199424749c32a05181ff69d9 (diff) | |
| download | linux-stable-0e3a39b5620bc84f25ffb0592b05b0350e8b0520.tar.gz linux-stable-0e3a39b5620bc84f25ffb0592b05b0350e8b0520.tar.bz2 linux-stable-0e3a39b5620bc84f25ffb0592b05b0350e8b0520.zip | |
wireless: add comments about bss refcounting
Should help the next person that tries to understand
the bss refcounting logic.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/scan.c | 4 | ||||
| -rw-r--r-- | net/wireless/sme.c | 3 |
2 files changed, 7 insertions, 0 deletions
diff --git a/net/wireless/scan.c b/net/wireless/scan.c index dd01b58fa78c..ae8c186b50d6 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -523,6 +523,7 @@ static int cmp_bss(struct cfg80211_bss *a, } } +/* Returned bss is reference counted and must be cleaned up appropriately. */ struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy, struct ieee80211_channel *channel, const u8 *bssid, @@ -678,6 +679,7 @@ static bool cfg80211_combine_bsses(struct cfg80211_registered_device *dev, return true; } +/* Returned bss is reference counted and must be cleaned up appropriately. */ static struct cfg80211_internal_bss * cfg80211_bss_update(struct cfg80211_registered_device *dev, struct cfg80211_internal_bss *tmp) @@ -866,6 +868,7 @@ cfg80211_get_bss_channel(struct wiphy *wiphy, const u8 *ie, size_t ielen, return channel; } +/* Returned bss is reference counted and must be cleaned up appropriately. */ struct cfg80211_bss* cfg80211_inform_bss(struct wiphy *wiphy, struct ieee80211_channel *channel, @@ -923,6 +926,7 @@ cfg80211_inform_bss(struct wiphy *wiphy, } EXPORT_SYMBOL(cfg80211_inform_bss); +/* Returned bss is reference counted and must be cleaned up appropriately. */ struct cfg80211_bss * cfg80211_inform_bss_frame(struct wiphy *wiphy, struct ieee80211_channel *channel, diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 32dac8cdd2e3..1d3cfb1a3f28 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -239,6 +239,7 @@ void cfg80211_conn_work(struct work_struct *work) rtnl_unlock(); } +/* Returned bss is reference counted and must be cleaned up appropriately. */ static struct cfg80211_bss *cfg80211_get_conn_bss(struct wireless_dev *wdev) { struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); @@ -699,6 +700,7 @@ void cfg80211_connect_result(struct net_device *dev, const u8 *bssid, } EXPORT_SYMBOL(cfg80211_connect_result); +/* Consumes bss object one way or another */ void __cfg80211_roamed(struct wireless_dev *wdev, struct cfg80211_bss *bss, const u8 *req_ie, size_t req_ie_len, @@ -775,6 +777,7 @@ void cfg80211_roamed(struct net_device *dev, } EXPORT_SYMBOL(cfg80211_roamed); +/* Consumes bss object one way or another */ void cfg80211_roamed_bss(struct net_device *dev, struct cfg80211_bss *bss, const u8 *req_ie, size_t req_ie_len, const u8 *resp_ie, |