skbuff: convert to skb_orphan_frags
Reduce code duplication a bit using the new helper. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Родитель
a353e0ce0f
Коммит
70008aa50e
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@ -804,10 +804,8 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask)
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{
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struct sk_buff *n;
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if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) {
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if (skb_copy_ubufs(skb, gfp_mask))
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return NULL;
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}
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if (skb_orphan_frags(skb, gfp_mask))
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return NULL;
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n = skb + 1;
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if (skb->fclone == SKB_FCLONE_ORIG &&
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@ -927,12 +925,10 @@ struct sk_buff *__pskb_copy(struct sk_buff *skb, int headroom, gfp_t gfp_mask)
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if (skb_shinfo(skb)->nr_frags) {
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int i;
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if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) {
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if (skb_copy_ubufs(skb, gfp_mask)) {
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kfree_skb(n);
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n = NULL;
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goto out;
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}
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if (skb_orphan_frags(skb, gfp_mask)) {
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kfree_skb(n);
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n = NULL;
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goto out;
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}
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for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
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skb_shinfo(n)->frags[i] = skb_shinfo(skb)->frags[i];
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@ -1005,10 +1001,8 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail,
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*/
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if (skb_cloned(skb)) {
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/* copy this zero copy skb frags */
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if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) {
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if (skb_copy_ubufs(skb, gfp_mask))
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goto nofrags;
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}
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if (skb_orphan_frags(skb, gfp_mask))
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goto nofrags;
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for (i = 0; i < skb_shinfo(skb)->nr_frags; i++)
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skb_frag_ref(skb, i);
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