linux-kernel - [PATCH net-next 11/13] driver: usb: remove unnecessary NULL check before dev_kfree_skb

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Message-Id: <1383400074-30555-12-git-send-email-govindarajulu90@gmail.com>
Date:	Sat,  2 Nov 2013 19:17:52 +0530
From:	Govindarajulu Varadarajan <govindarajulu90@...il.com>
To:	davem@...emloft.net, gregkh@...uxfoundation.org,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	schwidefsky@...ibm.com, linville@...driver.com,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	IvDoorn@...il.com, sbhatewara@...are.com, samuel@...tiz.org,
	chas@....nrl.navy.mil, roland@...nel.org, isdn@...ux-pingi.de,
	jcliburn@...il.com, benve@...co.com, ssujith@...co.com,
	jeffrey.t.kirsher@...el.com, jesse.brandeburg@...el.com,
	shahed.shaikh@...gic.com, joe@...ches.com, apw@...onical.com
Cc:	Govindarajulu Varadarajan <govindarajulu90@...il.com>
Subject: [PATCH net-next 11/13] driver: usb: remove unnecessary NULL check before dev_kfree_skb_any

dev_kfree_skb_any is protected from NULL. No need to check for NULL
while calling this function.

Signed-off-by: Govindarajulu Varadarajan <govindarajulu90@...il.com>
---
 drivers/usb/gadget/u_ether.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c
index 2aae0d6..3b61ac6 100644
--- a/drivers/usb/gadget/u_ether.c
+++ b/drivers/usb/gadget/u_ether.c
@@ -251,8 +251,7 @@ enomem:
 		defer_kevent(dev, WORK_RX_MEMORY);
 	if (retval) {
 		DBG(dev, "rx submit --> %d\n", retval);
-		if (skb)
-			dev_kfree_skb_any(skb);
+		dev_kfree_skb_any(skb);
 		spin_lock_irqsave(&dev->req_lock, flags);
 		list_add(&req->list, &dev->rx_reqs);
 		spin_unlock_irqrestore(&dev->req_lock, flags);
@@ -339,8 +338,7 @@ quiesce:
 		break;
 	}
 
-	if (skb)
-		dev_kfree_skb_any(skb);
+	dev_kfree_skb_any(skb);
 	if (!netif_running(dev->net)) {
 clean:
 		spin_lock(&dev->req_lock);
-- 
1.8.4.2

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