diff options
Diffstat (limited to 'net/core/skbuff.c')
| -rw-r--r-- | net/core/skbuff.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 917da73d3ab3..246ca1c81715 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -1615,18 +1615,20 @@ struct sk_buff *skb_copy_expand(const struct sk_buff *skb, EXPORT_SYMBOL(skb_copy_expand); /** - * skb_pad - zero pad the tail of an skb + * __skb_pad - zero pad the tail of an skb * @skb: buffer to pad * @pad: space to pad + * @free_on_error: free buffer on error * * Ensure that a buffer is followed by a padding area that is zero * filled. Used by network drivers which may DMA or transfer data * beyond the buffer end onto the wire. * - * May return error in out of memory cases. The skb is freed on error. + * May return error in out of memory cases. The skb is freed on error + * if @free_on_error is true. */ -int skb_pad(struct sk_buff *skb, int pad) +int __skb_pad(struct sk_buff *skb, int pad, bool free_on_error) { int err; int ntail; @@ -1655,10 +1657,11 @@ int skb_pad(struct sk_buff *skb, int pad) return 0; free_skb: - kfree_skb(skb); + if (free_on_error) + kfree_skb(skb); return err; } -EXPORT_SYMBOL(skb_pad); +EXPORT_SYMBOL(__skb_pad); /** * pskb_put - add data to the tail of a potentially fragmented buffer |