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| author |   Willem de Bruijn <willemb@google.com> | 2017-12-20 17:37:50 -0500 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-12-21 15:00:58 -0500 |
| commit | b90ddd568792bcb0054eaf0f61785c8f80c3bd1c (patch) | |
| tree | 15019f6f3ff507c87e3b3d6455a6993489e0d49e /drivers | |
| parent | skbuff: orphan frags before zerocopy clone (diff) | |
| download | linux-dev-b90ddd568792bcb0054eaf0f61785c8f80c3bd1c.tar.xz linux-dev-b90ddd568792bcb0054eaf0f61785c8f80c3bd1c.zip | |
skbuff: skb_copy_ubufs must release uarg even without user frags
skb_copy_ubufs creates a private copy of frags[] to release its hold
on user frags, then calls uarg->callback to notify the owner.
Call uarg->callback even when no frags exist. This edge case can
happen when zerocopy_sg_from_iter finds enough room in skb_headlen
to copy all the data.
Fixes: 3ece782693c4 ("sock: skb_copy_ubufs support for compound pages")
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
0 files changed, 0 insertions, 0 deletions