[PATCH] staging: rtl8188eu: rtw_mlme.c: fix sparse warning

From: Serguey Parkhomovsky
Date: Mon Dec 29 2014 - 00:49:00 EST


Fixes the following sparse warning for rtw_mlme.c:

drivers/staging/rtl8188eu/core/rtw_mlme.c:810:9: warning: context imbalance in 'rtw_free_assoc_resources' - different lock contexts for basic block

Signed-off-by: Serguey Parkhomovsky <sergueyparkhomovsky@xxxxxxxxx>
---
drivers/staging/rtl8188eu/core/rtw_mlme.c | 37 ++++++++++++++++++++-----------
1 file changed, 24 insertions(+), 13 deletions(-)

diff --git a/drivers/staging/rtl8188eu/core/rtw_mlme.c b/drivers/staging/rtl8188eu/core/rtw_mlme.c
index d4632da..a47717a 100644
--- a/drivers/staging/rtl8188eu/core/rtw_mlme.c
+++ b/drivers/staging/rtl8188eu/core/rtw_mlme.c
@@ -755,12 +755,30 @@ static void free_scanqueue(struct mlme_priv *pmlmepriv)
spin_unlock_bh(&scan_queue->lock);
}

+static void rtw_free_current_network(struct adapter *adapter)
+{
+ struct wlan_network *pwlan = NULL;
+ struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
+ struct wlan_network *tgt_network = &pmlmepriv->cur_network;
+
+ pwlan = rtw_find_network(&pmlmepriv->scanned_queue,
+ tgt_network->network.MacAddress);
+ if (pwlan)
+ pwlan->fixed = false;
+ else
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
+ ("rtw_free_assoc_resources:pwlan==NULL\n\n"));
+
+ if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) &&
+ (adapter->stapriv.asoc_sta_count == 1))
+ rtw_free_network_nolock(pmlmepriv, pwlan);
+}
+
/*
*rtw_free_assoc_resources: the caller has to lock pmlmepriv->lock
*/
void rtw_free_assoc_resources(struct adapter *adapter, int lock_scanned_queue)
{
- struct wlan_network *pwlan = NULL;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct sta_priv *pstapriv = &adapter->stapriv;
struct wlan_network *tgt_network = &pmlmepriv->cur_network;
@@ -793,20 +811,13 @@ void rtw_free_assoc_resources(struct adapter *adapter, int lock_scanned_queue)
rtw_init_bcmc_stainfo(adapter);
}

- if (lock_scanned_queue)
+ if (lock_scanned_queue) {
spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
-
- pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
- if (pwlan)
- pwlan->fixed = false;
- else
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_assoc_resources:pwlan==NULL\n\n"));
-
- if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) && (adapter->stapriv.asoc_sta_count == 1)))
- rtw_free_network_nolock(pmlmepriv, pwlan);
-
- if (lock_scanned_queue)
+ rtw_free_current_network(adapter);
spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
+ } else
+ rtw_free_current_network(adapter);
+
pmlmepriv->key_mask = 0;
}

--
1.9.3

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