| commit | 97ef7b4c5501b081c6144a08bba6d87baf69b6e5 | [log] [tgz] |
|---|---|---|
| author | Willem de Bruijn <willemb@google.com> | Sat Dec 08 06:22:46 2018 -0500 |
| committer | David S. Miller <davem@davemloft.net> | Sat Dec 08 12:26:20 2018 -0800 |
| tree | 0162a188876cd854112e5416d63f79c95721bd46 | |
| parent | 83af01ba1c2d38d3075b38af2a2116eb1ebe67e6 [diff] |
ip: silence udp zerocopy smatch false positive
extra_uref is used in __ip(6)_append_data only if uarg is set.
Smatch sees that the variable is passed to sock_zerocopy_put_abort.
This function accesses it only when uarg is set, but smatch cannot
infer this.
Make this dependency explicit.
Fixes: 52900d22288e ("udp: elide zerocopy operation in hot path")
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>