staging: r8192U_core: Remove unused variable 'ret' and demote kernel-doc abuse

Fixes the following W=1 kernel build warning(s):

 drivers/staging/rtl8192u/r8192U_core.c: In function ‘rtl8192_hard_data_xmit’:
 drivers/staging/rtl8192u/r8192U_core.c:905:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Andrea Merello <andrea.merello@gmail.com>
Cc: Jerry chuang <wlanfae@realtek.com>
Cc: linux-staging@lists.linux.dev
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210414181129.1628598-2-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c
index f48186a..643769e 100644 (file)
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -902,7 +902,6 @@ static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
                                   int rate)
 {
        struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
-       int ret;
        unsigned long flags;
        struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
        u8 queue_index = tcb_desc->queue_index;
@@ -915,7 +914,7 @@ static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
        *(struct net_device **)(skb->cb) = dev;
        tcb_desc->bTxEnableFwCalcDur = 1;
        skb_push(skb, priv->ieee80211->tx_headroom);
-       ret = rtl8192_tx(dev, skb);
+       rtl8192_tx(dev, skb);
 
        spin_unlock_irqrestore(&priv->tx_lock, flags);
 }
@@ -2972,12 +2971,10 @@ static RESET_TYPE RxCheckStuck(struct net_device *dev)
        return RESET_TYPE_NORESET;
 }
 
-/**
+/*
  * This function is called by Checkforhang to check whether we should
  * ask OS to reset driver
  *
- * \param pAdapter     The adapter context for this miniport
- *
  * Note:NIC with USB interface sholud not call this function because we
  * cannot scan descriptor to judge whether there is tx stuck.
  * Note: This function may be required to be rewrite for Vista OS.