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dccp: preserve const qualifier in dccp_sk()

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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>
This commit is contained in:
Eric Dumazet 2023-03-17 15:55:34 +00:00 • committed by David S. Miller
parent 47fcae28b9
commit ae6084b739
1 changed files with 2 additions and 4 deletions
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6
include/linux/dccp.h
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@ -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)
{