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| author |   Michal Kazior <michal.kazior@tieto.com> | 2014-11-25 15:16:04 +0100 |
|---|---|---|
| committer |   Kalle Valo <kvalo@qca.qualcomm.com> | 2014-11-26 08:44:10 +0200 |
| commit | 292a753d4b184ba6303d026edfe4e34145ce6905 (patch) | |
| tree | 4164db83336dfd7cbf4471b678d72e97ab7fb4a0 /drivers | |
| parent | ath10k: add missing goto (diff) | |
| download | linux-dev-292a753d4b184ba6303d026edfe4e34145ce6905.tar.xz linux-dev-292a753d4b184ba6303d026edfe4e34145ce6905.zip | |
ath10k: clean up num_peers locking
The var was supposed to be protected by data_lock
but it wasn't so in all instances. It's actually
not necessary to have a spinlock protected
num_peers so drop it.
All instances of num_peers are already within
conf_mutex sections so use that.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/core.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/mac.c | 8 |
2 files changed, 4 insertions, 6 deletions
diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index cd8815a35a44..0a0182107dc9 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -564,7 +564,7 @@ struct ath10k { struct list_head peers; wait_queue_head_t peer_mapping_wq; - /* number of created peers; protected by data_lock */ + /* protected by conf_mutex */ int num_peers; struct work_struct offchan_tx_work; diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index f364b845d991..bb138ceca2b9 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -368,9 +368,8 @@ static int ath10k_peer_create(struct ath10k *ar, u32 vdev_id, const u8 *addr) addr, vdev_id, ret); return ret; } - spin_lock_bh(&ar->data_lock); + ar->num_peers++; - spin_unlock_bh(&ar->data_lock); return 0; } @@ -461,9 +460,7 @@ static int ath10k_peer_delete(struct ath10k *ar, u32 vdev_id, const u8 *addr) if (ret) return ret; - spin_lock_bh(&ar->data_lock); ar->num_peers--; - spin_unlock_bh(&ar->data_lock); return 0; } @@ -500,8 +497,9 @@ static void ath10k_peer_cleanup_all(struct ath10k *ar) list_del(&peer->list); kfree(peer); } - ar->num_peers = 0; spin_unlock_bh(&ar->data_lock); + + ar->num_peers = 0; } /************************/ |