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| author | Chaehyun Lim <chaehyun.lim@gmail.com> | 2016-03-28 13:56:00 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-03-29 12:39:52 -0700 |
| commit | 086620978b2d06378f4a41afce2f7705c76a4625 (patch) | |
| tree | 57351ca5fd5459ebcf6668375b8f03dc5cd0bf0c /drivers/staging/wilc1000/wilc_wfi_cfgoperations.c | |
| parent | 589c667d8ae1d7359a974719dd0d09f85aee5606 (diff) | |
| download | linux-086620978b2d06378f4a41afce2f7705c76a4625.tar.gz linux-086620978b2d06378f4a41afce2f7705c76a4625.tar.xz | |
staging: wilc1000: use mutex instead of struct semaphore hSemScanReq
This patch replaces struct semaphore hSemScanReq with struct mutex
scan_req_lock. It is better to use mutex than semaphore.
Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/wilc1000/wilc_wfi_cfgoperations.c')
| -rw-r--r-- | drivers/staging/wilc1000/wilc_wfi_cfgoperations.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c index f6aec474ff3a..358632b9aa83 100644 --- a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c +++ b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c @@ -451,7 +451,7 @@ static void CfgScanResult(enum scan_event scan_event, } else if (scan_event == SCAN_EVENT_DONE) { refresh_scan(priv, 1, false); - down(&(priv->hSemScanReq)); + mutex_lock(&priv->scan_req_lock); if (priv->pstrScanReq) { cfg80211_scan_done(priv->pstrScanReq, false); @@ -459,9 +459,9 @@ static void CfgScanResult(enum scan_event scan_event, priv->bCfgScanning = false; priv->pstrScanReq = NULL; } - up(&(priv->hSemScanReq)); + mutex_unlock(&priv->scan_req_lock); } else if (scan_event == SCAN_EVENT_ABORTED) { - down(&(priv->hSemScanReq)); + mutex_lock(&priv->scan_req_lock); if (priv->pstrScanReq) { update_scan_time(); @@ -471,7 +471,7 @@ static void CfgScanResult(enum scan_event scan_event, priv->bCfgScanning = false; priv->pstrScanReq = NULL; } - up(&(priv->hSemScanReq)); + mutex_unlock(&priv->scan_req_lock); } } } @@ -2307,7 +2307,7 @@ int wilc_init_host_int(struct net_device *net) priv->bInP2PlistenState = false; - sema_init(&(priv->hSemScanReq), 1); + mutex_init(&priv->scan_req_lock); s32Error = wilc_init(net, &priv->hif_drv); if (s32Error) netdev_err(net, "Error while initializing hostinterface\n"); |