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isdn: remove some pointless conditionals before kfree_skb()

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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>
This commit is contained in:
Wei Yongjun 2009-02-25 00:12:09 +00:00 committed by David S. Miller
parent e44578ea7c
commit d46604e178
2 changed files with 3 additions and 5 deletions
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2
drivers/isdn/capi/capi.c
View File

@ -277,7 +277,7 @@ static void capiminor_free(struct capiminor *mp)
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);

6
drivers/isdn/pcbit/layer2.c
View File

@ -347,8 +347,7 @@ pcbit_receive(struct pcbit_dev *dev)
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 @@ pcbit_l2_err_recover(unsigned long data)
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;
}