netdev - [PATCH net-next 05/13] driver: usb/gadget: remove unnecessary skb NULL check before calling dev_kfree_skb

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Date:	Sat,  2 Nov 2013 19:17:46 +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 05/13] driver: usb/gadget: remove unnecessary skb NULL check before calling dev_kfree_skb_irq

dev_kfree_skb_irq 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/f_phonet.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/gadget/f_phonet.c b/drivers/usb/gadget/f_phonet.c
index eb3aa81..9e220b6 100644
--- a/drivers/usb/gadget/f_phonet.c
+++ b/drivers/usb/gadget/f_phonet.c
@@ -393,10 +393,8 @@ static void __pn_reset(struct usb_function *f)
 
 	usb_ep_disable(fp->out_ep);
 	usb_ep_disable(fp->in_ep);
-	if (fp->rx.skb) {
-		dev_kfree_skb_irq(fp->rx.skb);
-		fp->rx.skb = NULL;
-	}
+	dev_kfree_skb_irq(fp->rx.skb);
+	fp->rx.skb = NULL;
 }
 
 static int pn_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
-- 
1.8.4.2

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