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authorMarkus Elfring <elfring@users.sourceforge.net>2019-08-21 23:16:02 +0300
committerDavid S. Miller <davem@davemloft.net>2019-08-23 02:22:03 +0300
commit5477fccf9abd7342a987d401fa50c0d93ebd09b9 (patch)
tree0eae33dad1e739f20ac38cd79b06aebd43d25353 /drivers/net/usb
parentb7deac31979bd09c69e0e6e064609fad55df35be (diff)
downloadlinux-5477fccf9abd7342a987d401fa50c0d93ebd09b9.tar.xz
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>
Diffstat (limited to 'drivers/net/usb')
-rw-r--r--drivers/net/usb/lg-vl600.c4
-rw-r--r--drivers/net/usb/rtl8150.c6
2 files changed, 3 insertions, 7 deletions
diff --git a/drivers/net/usb/lg-vl600.c b/drivers/net/usb/lg-vl600.c
index 6c2b3e368efe..217a2d8fa47b 100644
--- a/drivers/net/usb/lg-vl600.c
+++ b/drivers/net/usb/lg-vl600.c
@@ -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);
diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c
index 98f33e270af1..13e51ccf0214 100644
--- a/drivers/net/usb/rtl8150.c
+++ b/drivers/net/usb/rtl8150.c
@@ -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);
}