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inet: preserve const qualifier in inet_sk()

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We can change inet_sk() to propagate const qualifier of its argument.

This should avoid some potential errors caused by accidental
(const -> not_const) promotion.

Other helpers like tcp_sk(), udp_sk(), raw_sk() will be handled
in separate patch series.

v2: use container_of_const() as advised by Jakub and Linus

Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/netdev/20230315142841.3a2ac99a@kernel.org/
Link: https://lore.kernel.org/netdev/CAHk-=wiOf12nrYEF2vJMcucKjWPN-Ns_SW9fA7LwST_2Dzp7rw@mail.gmail.com/
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2023-03-16 15:31:55 +00:00
committed by David S. Miller
parent 82b3297009
commit abc17a11ed
8 changed files with 12 additions and 14 deletions
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4
security/lsm_audit.c
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@@ -317,7 +317,7 @@ static void dump_common_audit_data(struct audit_buffer *ab,
switch (sk->sk_family) {
case AF_INET: {
struct inet_sock *inet = inet_sk(sk);
const struct inet_sock *inet = inet_sk(sk);
print_ipv4_addr(ab, inet->inet_rcv_saddr,
inet->inet_sport,
@@ -329,7 +329,7 @@ static void dump_common_audit_data(struct audit_buffer *ab,
}
#if IS_ENABLED(CONFIG_IPV6)
case AF_INET6: {
struct inet_sock *inet = inet_sk(sk);
const struct inet_sock *inet = inet_sk(sk);
print_ipv6_addr(ab, &sk->sk_v6_rcv_saddr,
inet->inet_sport,