diff options
Diffstat (limited to 'include/linux/skbuff.h')
| -rw-r--r-- | include/linux/skbuff.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index c84a5a1078c5..c413c588a24f 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1325,6 +1325,16 @@ static inline int skb_header_cloned(const struct sk_buff *skb) return dataref != 1; } +static inline int skb_header_unclone(struct sk_buff *skb, gfp_t pri) +{ + might_sleep_if(gfpflags_allow_blocking(pri)); + + if (skb_header_cloned(skb)) + return pskb_expand_head(skb, 0, 0, pri); + + return 0; +} + /** * skb_header_release - release reference to header * @skb: buffer to operate on |