diff options
Diffstat (limited to 'net/irda/irlap_frame.c')
| -rw-r--r-- | net/irda/irlap_frame.c | 17 |
1 files 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; } |