diff options
| author | Geliang Tang <geliangtang@163.com> | 2016-02-01 22:47:03 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-07 19:53:04 -0800 |
| commit | 818ff7b28b7777ac71d13215bc7a332e126da268 (patch) | |
| tree | cd16f34705947eb6775369996e83d15fcc66944a /drivers/staging/rtl8712/rtl871x_mlme.c | |
| parent | 97e2ba90fc89f375e88ad5d825c149fb82d8207b (diff) | |
staging: rtl8712: use list_first_entry_or_null()
Use list_first_entry_or_null() instead of list_empty() + LIST_CONTAINOR()
to simplify the code.
Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/rtl8712/rtl871x_mlme.c')
| -rw-r--r-- | drivers/staging/rtl8712/rtl871x_mlme.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/staging/rtl8712/rtl871x_mlme.c b/drivers/staging/rtl8712/rtl871x_mlme.c index 04f727fc95ea..1b022dbda046 100644 --- a/drivers/staging/rtl8712/rtl871x_mlme.c +++ b/drivers/staging/rtl8712/rtl871x_mlme.c @@ -87,16 +87,15 @@ struct wlan_network *_r8712_alloc_network(struct mlme_priv *pmlmepriv) unsigned long irqL; struct wlan_network *pnetwork; struct __queue *free_queue = &pmlmepriv->free_bss_pool; - struct list_head *plist = NULL; - if (list_empty(&free_queue->queue)) - return NULL; spin_lock_irqsave(&free_queue->lock, irqL); - plist = free_queue->queue.next; - pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list); - list_del_init(&pnetwork->list); - pnetwork->last_scanned = jiffies; - pmlmepriv->num_of_scanned++; + pnetwork = list_first_entry_or_null(&free_queue->queue, + struct wlan_network, list); + if (pnetwork) { + list_del_init(&pnetwork->list); + pnetwork->last_scanned = jiffies; + pmlmepriv->num_of_scanned++; + } spin_unlock_irqrestore(&free_queue->lock, irqL); return pnetwork; } |