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Some extra SKB operation return code checks. This deviates from nbd's original patch, because I don't think that if the aligning operation fails that we should return the unaligned one.

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Thanks nbd


git-svn-id: http://madwifi-project.org/svn/madwifi/trunk@3297 0192ed92-7a03-0410-a25b-9323aeb14dbd
This commit is contained in:
mentor 2008-01-28 23:49:26 +00:00
parent 521e00a7c6
commit 8e8ba8882b
1 changed files with 10 additions and 10 deletions
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20
net80211/ieee80211_input.c
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@ -742,9 +742,9 @@ ieee80211_input(struct ieee80211vap * vap, struct ieee80211_node *ni_or_null,
frame_len = ntohs(eh_tmp->ether_type);
skb1 = skb_copy(skb, GFP_ATOMIC);
/* Increment reference count after copy */
if (skb1 != NULL)
ieee80211_skb_copy_noderef(skb, skb1);
if (skb1 == NULL)
goto err;
ieee80211_skb_copy_noderef(skb, skb1);
/* we now have 802.3 MAC hdr followed by 802.2 LLC/SNAP; convert to EthernetII.
* Note that the frame is at least IEEE80211_MIN_LEN, due to the driver code. */
@ -1059,9 +1059,10 @@ ieee80211_defrag(struct ieee80211_node *ni, struct sk_buff *skb, int hdrlen)
* assemble fragments
*/
ni->ni_rxfrag = skb_copy(skb, GFP_ATOMIC);
/* We duplicate the reference after skb_copy */
ieee80211_skb_copy_noderef(skb, ni->ni_rxfrag);
ieee80211_dev_kfree_skb(&skb);
if (ni->ni_rxfrag) {
ieee80211_skb_copy_noderef(skb, ni->ni_rxfrag);
ieee80211_dev_kfree_skb(&skb);
}
}
/*
* Check that we have enough space to hold
@ -1074,8 +1075,7 @@ ieee80211_defrag(struct ieee80211_node *ni, struct sk_buff *skb, int hdrlen)
(ni->ni_vap->iv_dev->mtu + hdrlen) -
(skb_end_pointer(skb) - skb->head),
GFP_ATOMIC);
/* We duplicate the reference after skb_copy */
if (skb != ni->ni_rxfrag)
if (ni->ni_rxfrag)
ieee80211_skb_copy_noderef(skb, ni->ni_rxfrag);
ieee80211_dev_kfree_skb(&skb);
}
@ -1282,8 +1282,8 @@ ieee80211_decap(struct ieee80211vap *vap, struct sk_buff *skb, int hdrlen)
/* XXX: does this always work? */
tskb = skb_copy(skb, GFP_ATOMIC);
/* We duplicate the reference after skb_copy */
ieee80211_skb_copy_noderef(skb, tskb);
if (tskb)
ieee80211_skb_copy_noderef(skb, tskb);
ieee80211_dev_kfree_skb(&skb);
skb = tskb;
}