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openwrt-xburst/package/madwifi/patches/331-memory_alloc.patch
nbd bcb54b3924 refresh madwifi patches, fix an issue with napi polling (thx SeG)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10511 3c298f89-4303-0410-b956-a3cf2f4a3e73
2008-02-20 21:26:21 +00:00

45 lines
1.3 KiB
Diff

Index: madwifi-trunk-r3314/ath/if_ath.c
===================================================================
--- madwifi-trunk-r3314.orig/ath/if_ath.c 2008-02-20 18:10:52.499506168 +0100
+++ madwifi-trunk-r3314/ath/if_ath.c 2008-02-20 18:10:52.731519391 +0100
@@ -3315,17 +3315,18 @@
* without affecting any other bridge ports. */
if (skb_cloned(skb)) {
/* Remember the original SKB so we can free up our references */
- struct sk_buff *skb_orig = skb;
- skb = skb_copy(skb, GFP_ATOMIC);
- if (skb == NULL) {
+ struct sk_buff *skb_new;
+ skb_new = skb_copy(skb, GFP_ATOMIC);
+ if (skb_new == NULL) {
DPRINTF(sc, ATH_DEBUG_XMIT,
"Dropping; skb_copy failure.\n");
/* No free RAM, do not requeue! */
goto hardstart_fail;
}
- ieee80211_skb_copy_noderef(skb_orig, skb);
- ieee80211_dev_kfree_skb(&skb_orig);
- }
+ ieee80211_skb_copy_noderef(skb, skb_new);
+ ieee80211_dev_kfree_skb(&skb);
+ skb = skb_new;
+ }
eh = (struct ether_header *)skb->data;
#ifdef ATH_SUPERG_FF
@@ -3591,11 +3592,13 @@
*/
error = ath_tx_start(dev, SKB_CB(skb)->ni, bf, skb, 0);
if (error)
- goto bad;
+ return error;
sc->sc_stats.ast_tx_mgmt++;
return 0;
bad:
+ if (skb)
+ ieee80211_dev_kfree_skb(&skb);
ath_return_txbuf(sc, &bf);
return error;
}