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net: usb: Delete unnecessary checks before the macro call “dev_kfree_skb” 

The dev_kfree_skb() function performs also input parameter validation.
Thus the test around the shown calls is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Markus Elfring 2019-08-21 22:16:02 +02:00 committed by David S. Miller
parent b7deac3197
commit 5477fccf9a
2 changed files with 3 additions and 7 deletions
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4
drivers/net/usb/lg-vl600.c
View File

@ -87,9 +87,7 @@ static void vl600_unbind(struct usbnet *dev, struct usb_interface *intf)
{
struct vl600_state *s = dev->driver_priv;
if (s->current_rx_buf)
dev_kfree_skb(s->current_rx_buf);
dev_kfree_skb(s->current_rx_buf);
kfree(s);
return usbnet_cdc_unbind(dev, intf);

6
drivers/net/usb/rtl8150.c
View File

@ -586,8 +586,7 @@ static void free_skb_pool(rtl8150_t *dev)
int i;
for (i = 0; i < RX_SKB_POOL_SIZE; i++)
if (dev->rx_skb_pool[i])
dev_kfree_skb(dev->rx_skb_pool[i]);
dev_kfree_skb(dev->rx_skb_pool[i]);
}
static void rx_fixup(unsigned long data)
@ -946,8 +945,7 @@ static void rtl8150_disconnect(struct usb_interface *intf)
unlink_all_urbs(dev);
free_all_urbs(dev);
free_skb_pool(dev);
if (dev->rx_skb)
dev_kfree_skb(dev->rx_skb);
dev_kfree_skb(dev->rx_skb);
kfree(dev->intr_buff);
free_netdev(dev->netdev);
}