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| 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 /drivers/net/tap.c | |
| parent | 04c2d33eabdc76df730e1e356f6b2c656381d7d5 (diff) | |
| download | lwn-9ee5e5ade033875191a2d2e470033e9cdde44a6a.tar.gz lwn-9ee5e5ade033875191a2d2e470033e9cdde44a6a.zip | |
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 'drivers/net/tap.c')
| -rw-r--r-- | drivers/net/tap.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/tap.c b/drivers/net/tap.c index f7a19d9b7c27..3c652c8ac5ba 100644 --- a/drivers/net/tap.c +++ b/drivers/net/tap.c @@ -722,8 +722,7 @@ static ssize_t tap_get_user(struct tap_queue *q, void *msg_control, tap = rcu_dereference(q->tap); /* copy skb_ubuf_info for callback when skb has no error */ if (zerocopy) { - skb_shinfo(skb)->destructor_arg = msg_control; - skb_shinfo(skb)->flags |= SKBFL_ZEROCOPY_FRAG; + skb_zcopy_init(skb, msg_control); } else if (msg_control) { struct ubuf_info *uarg = msg_control; uarg->callback(NULL, uarg, false); |