hamradio: 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>

2 files changed, 2 insertions, 4 deletions

diff --git a/drivers/net/hamradio/baycom_epp.c b/drivers/net/hamradio/baycom_epp.c
index 9303aeb2595f..4476491b58f9 100644
--- a/drivers/net/hamradio/baycom_epp.c
+++ b/drivers/net/hamradio/baycom_epp.c
@@ -961,8 +961,7 @@ static int epp_close(struct net_device *dev)
         parport_write_control(pp, 0); /* reset the adapter */
         parport_release(bc->pdev);
         parport_unregister_device(bc->pdev);
-        if (bc->skb)
-                dev_kfree_skb(bc->skb);
+        dev_kfree_skb(bc->skb);
         bc->skb = NULL;
         printk(KERN_INFO "%s: close epp at iobase 0x%lx irq %u\n",
                bc_drvname, dev->base_addr, dev->irq);
diff --git a/drivers/net/hamradio/hdlcdrv.c b/drivers/net/hamradio/hdlcdrv.c
index c6f83e0df0a3..df495b5595f5 100644
--- a/drivers/net/hamradio/hdlcdrv.c
+++ b/drivers/net/hamradio/hdlcdrv.c
@@ -475,8 +475,7 @@ static int hdlcdrv_close(struct net_device *dev)
 
         if (s->ops && s->ops->close)
                 i = s->ops->close(dev);
-        if (s->skb)
-                dev_kfree_skb(s->skb);
+        dev_kfree_skb(s->skb);
         s->skb = NULL;
         s->opened = 0;
         return i;