lantiq: ltq-ptm: vr9: fix skb handling in ptm_hard_start_xmit()

[openwrt/openwrt.git] / package / kernel / lantiq / ltq-ptm / src / ifxmips_ptm_vdsl.c

diff --git a/package/kernel/lantiq/ltq-ptm/src/ifxmips_ptm_vdsl.c b/package/kernel/lantiq/ltq-ptm/src/ifxmips_ptm_vdsl.c
index 9e24c69d943e995c16916e325a0583648a2be8e5..46a52e29d8359235f3b89f0c6271d506a6569c5c 100644 (file)
--- a/package/kernel/lantiq/ltq-ptm/src/ifxmips_ptm_vdsl.c
+++ b/package/kernel/lantiq/ltq-ptm/src/ifxmips_ptm_vdsl.c
@@ -336,6 +336,9 @@ static int ptm_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
         dma_cache_wback((unsigned long)skb->data, skb->len);
     }
 
+    /* make the skb unowned */
+    skb_orphan(skb);
+
     *(struct sk_buff **)((unsigned int)skb->data - byteoff - sizeof(struct sk_buff *)) = skb;
     /*  write back to physical memory   */
     dma_cache_wback((unsigned long)skb->data - byteoff - sizeof(struct sk_buff *), skb->len + byteoff + sizeof(struct sk_buff *));