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authorBen Greear <greearb@candelatech.com>2013-06-19 14:06:27 -0700
committerJohannes Berg <johannes.berg@intel.com>2013-06-24 15:54:45 +0200
commit0e3a39b5620bc84f25ffb0592b05b0350e8b0520 (patch)
tree0b54e4bf90ff44b7e726393b50b6ba750ba4a936 /net/wireless/scan.c
parent6f390908e58113b9199424749c32a05181ff69d9 (diff)
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/scan.c')
-rw-r--r--net/wireless/scan.c4
1 files changed, 4 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,