From: Wei Yongjun <yjwei@cn.fujitsu.com>
To: Paul Mackerras <paulus@samba.org>, Jeff Garzik <jgarzik@pobox.com>
Cc: linux-ppp@vger.kernel.org, netdev@vger.kernel.org
Subject: [PATCH] ppp: remove some pointless conditionals before kfree_skb()
Date: Wed, 25 Feb 2009 10:16:08 +0000 [thread overview]
Message-ID: <49A51A68.3000509@cn.fujitsu.com> (raw)
Remove some pointless conditionals before kfree_skb().
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
---
drivers/net/ppp_async.c | 6 ++----
drivers/net/ppp_generic.c | 6 ++----
drivers/net/ppp_synctty.c | 3 +--
3 files changed, 5 insertions(+), 10 deletions(-)
diff --git a/drivers/net/ppp_async.c b/drivers/net/ppp_async.c
index 6567fab..5de6fed 100644
--- a/drivers/net/ppp_async.c
+++ b/drivers/net/ppp_async.c
@@ -233,11 +233,9 @@ ppp_asynctty_close(struct tty_struct *tty)
tasklet_kill(&ap->tsk);
ppp_unregister_channel(&ap->chan);
- if (ap->rpkt)
- kfree_skb(ap->rpkt);
+ kfree_skb(ap->rpkt);
skb_queue_purge(&ap->rqueue);
- if (ap->tpkt)
- kfree_skb(ap->tpkt);
+ kfree_skb(ap->tpkt);
kfree(ap);
}
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index 81e7fcc..4a12159 100644
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -1245,8 +1245,7 @@ ppp_send_frame(struct ppp *ppp, struct sk_buff *skb)
return;
drop:
- if (skb)
- kfree_skb(skb);
+ kfree_skb(skb);
++ppp->dev->stats.tx_errors;
}
@@ -2658,8 +2657,7 @@ static void ppp_destroy_interface(struct ppp *ppp)
ppp->active_filter = NULL;
#endif /* CONFIG_PPP_FILTER */
- if (ppp->xmit_pending)
- kfree_skb(ppp->xmit_pending);
+ kfree_skb(ppp->xmit_pending);
free_netdev(ppp->dev);
}
diff --git a/drivers/net/ppp_synctty.c b/drivers/net/ppp_synctty.c
index 1e892b7..3ea791d 100644
--- a/drivers/net/ppp_synctty.c
+++ b/drivers/net/ppp_synctty.c
@@ -281,8 +281,7 @@ ppp_sync_close(struct tty_struct *tty)
ppp_unregister_channel(&ap->chan);
skb_queue_purge(&ap->rqueue);
- if (ap->tpkt)
- kfree_skb(ap->tpkt);
+ kfree_skb(ap->tpkt);
kfree(ap);
}
--
1.5.3.8
next reply other threads:[~2009-02-25 10:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-25 10:16 Wei Yongjun [this message]
2009-02-27 7:08 ` [PATCH] ppp: remove some pointless conditionals before David Miller
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