Re: [PATCH] ieee802154-atusb: Delete an unnecessary check before the function call "kfree_skb"

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Marcel,

On 17/11/15 17:18, Stefan Schmidt wrote:
Hello.

On 17/11/15 17:17, Stefan Schmidt wrote:
From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 16 Nov 2015 13:50:23 +0100

The kfree_skb() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
 drivers/net/ieee802154/atusb.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c
index 199a94a..b1cd865 100644
--- a/drivers/net/ieee802154/atusb.c
+++ b/drivers/net/ieee802154/atusb.c
@@ -310,8 +310,7 @@ static void atusb_free_urbs(struct atusb *atusb)
         urb = usb_get_from_anchor(&atusb->idle_urbs);
         if (!urb)
             break;
-        if (urb->context)
-            kfree_skb(urb->context);
+        kfree_skb(urb->context);
         usb_free_urb(urb);
     }
 }

Acked-by: Stefan Schmidt <stefan@xxxxxxxxxxxxxxx>


You got the original patch and my ACK on this one or would you prefer me to resend it again?

regards
Stefan Schmidt
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