Staging: remove some pointless conditionals before kfree_skb()

[Wei Yongjun]

Remove some pointless conditionals before kfree_skb().

Signed-off-by: Wei Yongjun <yjwei@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 drivers/staging/at76_usb/at76_usb.c |    3 +--
 drivers/staging/otus/wwrap.c        |    3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

--- a/drivers/staging/at76_usb/at76_usb.c
+++ b/drivers/staging/at76_usb/at76_usb.c
@@ -5370,8 +5370,7 @@ static void at76_delete_device(struct at
 
 	at76_dbg(DBG_PROC_ENTRY, "%s: unlinked urbs", __func__);
 
-	if (priv->rx_skb)
-		kfree_skb(priv->rx_skb);
+	kfree_skb(priv->rx_skb);
 
 	at76_free_bss_list(priv);
 	del_timer_sync(&priv->bss_list_timer);
--- a/drivers/staging/otus/wwrap.c
+++ b/drivers/staging/otus/wwrap.c
@@ -971,8 +971,7 @@ int zfLnxCencSendMsg(struct sock *netlin
 out:
 	return ret;
 nlmsg_failure: /*NLMSG_PUT ʧ°Ü£¬Ôò³·ÏúÌ×½Ó×Ö»º´æ*/
-  	if(skb)
-    		kfree_skb(skb);
+	kfree_skb(skb);
 	goto out;
 
 #undef COMMTYPE_GROUP

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