From e780f1c33d76ebb81607a6b5d6b669edb9065a7f Mon Sep 17 00:00:00 2001
From: =?utf8?q?Ilpo=20J=C3=A4rvinen?= <ilpo.jarvinen@helsinki.fi>
Date: Sun, 14 Dec 2008 23:18:30 -0800
Subject: [PATCH] irda: merge exit paths
MIME-Version: 1.0
Content-Type: text/plain; charset=utf8
Content-Transfer-Encoding: 8bit
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/irda/irlap_frame.c | 17 ++++++++---------
1 file changed, 8 insertions(+), 9 deletions(-)
diff --git a/net/irda/irlap_frame.c b/net/irda/irlap_frame.c
index f17b65af9c9..2562ebc1b22 100644
--- a/net/irda/irlap_frame.c
+++ b/net/irda/irlap_frame.c
@@ -1325,6 +1325,7 @@ int irlap_driver_rcv(struct sk_buff *skb, struct net_device *dev,
struct irlap_cb *self;
int command;
__u8 control;
+ int ret = -1;
if (!net_eq(dev_net(dev), &init_net))
goto out;
@@ -1333,25 +1334,21 @@ int irlap_driver_rcv(struct sk_buff *skb, struct net_device *dev,
self = (struct irlap_cb *) dev->atalk_ptr;
/* If the net device is down, then IrLAP is gone! */
- if (!self || self->magic != LAP_MAGIC) {
- dev_kfree_skb(skb);
- return -1;
- }
+ if (!self || self->magic != LAP_MAGIC)
+ goto err;
/* We are no longer an "old" protocol, so we need to handle
* share and non linear skbs. This should never happen, so
* we don't need to be clever about it. Jean II */
if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL) {
IRDA_ERROR("%s: can't clone shared skb!\n", __func__);
- dev_kfree_skb(skb);
- return -1;
+ goto err;
}
/* Check if frame is large enough for parsing */
if (!pskb_may_pull(skb, 2)) {
IRDA_ERROR("%s: frame too short!\n", __func__);
- dev_kfree_skb(skb);
- return -1;
+ goto err;
}
command = skb->data[0] & CMD_FRAME;
@@ -1442,7 +1439,9 @@ int irlap_driver_rcv(struct sk_buff *skb, struct net_device *dev,
break;
}
out:
+ ret = 0;
+err:
/* Always drop our reference on the skb */
dev_kfree_skb(skb);
- return 0;
+ return ret;
}
--
2.41.3