diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2013-02-01 04:05:43 +0400 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-02-04 21:57:45 +0400 |
| commit | 4b1af4792a2aa686483fc9bb2155f7269fa6399c (patch) | |
| tree | df63754635bdf4079ca2d9dc80fe95a783cd4550 /net/wireless/scan.c | |
| parent | 6b684db1db0df40275c7dfcc32a5d48eb72fe4e3 (diff) | |
| download | linux-4b1af4792a2aa686483fc9bb2155f7269fa6399c.tar.xz | |
cfg80211: use lockdep to assert lock is held
Instead of annotating with a comment, add a lockdep
annotation which also serves as documentation.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/scan.c')
| -rw-r--r-- | net/wireless/scan.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 1494d947e8dd..a56287bb550c 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -41,22 +41,24 @@ static void bss_release(struct kref *ref) kfree(bss); } -/* must hold dev->bss_lock! */ static void __cfg80211_unlink_bss(struct cfg80211_registered_device *dev, struct cfg80211_internal_bss *bss) { + lockdep_assert_held(&dev->bss_lock); + list_del_init(&bss->list); rb_erase(&bss->rbn, &dev->bss_tree); kref_put(&bss->ref, bss_release); } -/* must hold dev->bss_lock! */ static void __cfg80211_bss_expire(struct cfg80211_registered_device *dev, unsigned long expire_time) { struct cfg80211_internal_bss *bss, *tmp; bool expired = false; + lockdep_assert_held(&dev->bss_lock); + list_for_each_entry_safe(bss, tmp, &dev->bss_list, list) { if (atomic_read(&bss->hold)) continue; |