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| author | Eric Dumazet <edumazet@google.com> | 2023-03-17 15:55:34 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-03-18 12:23:33 +0000 |
| commit | ae6084b739925d84ef4a481d8eaa2187455f2e2f (patch) | |
| tree | d60273261620511a0ea81e19851b4399952d1012 /include/linux/dccp.h | |
| parent | 47fcae28b9ec409423ba7f67f93e8345acce8a36 (diff) | |
| download | lwn-ae6084b739925d84ef4a481d8eaa2187455f2e2f.tar.gz lwn-ae6084b739925d84ef4a481d8eaa2187455f2e2f.zip | |
dccp: preserve const qualifier in dccp_sk()
We can change dccp_sk() to propagate its argument const qualifier,
thanks to container_of_const().
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/dccp.h')
| -rw-r--r-- | include/linux/dccp.h | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/include/linux/dccp.h b/include/linux/dccp.h index 07e547c02fd8..325af611909f 100644 --- a/include/linux/dccp.h +++ b/include/linux/dccp.h @@ -305,10 +305,8 @@ struct dccp_sock { struct timer_list dccps_xmit_timer; }; -static inline struct dccp_sock *dccp_sk(const struct sock *sk) -{ - return (struct dccp_sock *)sk; -} +#define dccp_sk(ptr) container_of_const(ptr, struct dccp_sock, \ + dccps_inet_connection.icsk_inet.sk) static inline const char *dccp_role(const struct sock *sk) { |