diff options
| author | Jonathan Lemon <jonathan.lemon@gmail.com> | 2021-01-06 14:18:40 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-01-07 16:08:37 -0800 |
| commit | 9ee5e5ade033875191a2d2e470033e9cdde44a6a (patch) | |
| tree | 83afacafdceb7f0d0c3b17c9e358cf7a11e32fe7 /include/linux/skbuff.h | |
| parent | 04c2d33eabdc76df730e1e356f6b2c656381d7d5 (diff) | |
tap/tun: add skb_zcopy_init() helper for initialization.
Replace direct assignments with skb_zcopy_init() for zerocopy
cases where a new skb is initialized, without changing the
reference counts.
Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux/skbuff.h')
| -rw-r--r-- | include/linux/skbuff.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index a7bc71d2debb..68ad45a98810 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1448,6 +1448,12 @@ static inline void skb_zcopy_get(struct ubuf_info *uarg) refcount_inc(&uarg->refcnt); } +static inline void skb_zcopy_init(struct sk_buff *skb, struct ubuf_info *uarg) +{ + skb_shinfo(skb)->destructor_arg = uarg; + skb_shinfo(skb)->flags |= uarg->flags; +} + static inline void skb_zcopy_set(struct sk_buff *skb, struct ubuf_info *uarg, bool *have_ref) { @@ -1456,8 +1462,7 @@ static inline void skb_zcopy_set(struct sk_buff *skb, struct ubuf_info *uarg, *have_ref = false; else skb_zcopy_get(uarg); - skb_shinfo(skb)->destructor_arg = uarg; - skb_shinfo(skb)->flags |= uarg->flags; + skb_zcopy_init(skb, uarg); } } |