isdn: remove some pointless conditionals before kfree_skb()
Remove some pointless conditionals before kfree_skb().
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
index 1b5bf87..3e468d2 100644
--- a/drivers/isdn/capi/capi.c
+++ b/drivers/isdn/capi/capi.c
@@ -277,7 +277,7 @@
list_del(&mp->list);
write_unlock_irqrestore(&capiminor_list_lock, flags);
- if (mp->ttyskb) kfree_skb(mp->ttyskb);
+ kfree_skb(mp->ttyskb);
mp->ttyskb = NULL;
skb_queue_purge(&mp->inqueue);
skb_queue_purge(&mp->outqueue);
diff --git a/drivers/isdn/pcbit/layer2.c b/drivers/isdn/pcbit/layer2.c
index 5ba2a87..e075e8d 100644
--- a/drivers/isdn/pcbit/layer2.c
+++ b/drivers/isdn/pcbit/layer2.c
@@ -347,8 +347,7 @@
if (dev->read_frame) {
printk(KERN_DEBUG "pcbit_receive: Type 0 frame and read_frame != NULL\n");
/* discard previous queued frame */
- if (dev->read_frame->skb)
- kfree_skb(dev->read_frame->skb);
+ kfree_skb(dev->read_frame->skb);
kfree(dev->read_frame);
dev->read_frame = NULL;
}
@@ -601,8 +600,7 @@
dev->w_busy = dev->r_busy = 1;
if (dev->read_frame) {
- if (dev->read_frame->skb)
- kfree_skb(dev->read_frame->skb);
+ kfree_skb(dev->read_frame->skb);
kfree(dev->read_frame);
dev->read_frame = NULL;
}