netlink: add nl_set_extack_cookie_u32()

Similar to existing nl_set_extack_cookie_u64(), add new helper
nl_set_extack_cookie_u32() which sets extack cookie to a u32 value.

Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michal Kubecek 2020-03-15 18:17:48 +01:00 committed by David S. Miller
parent fe2a31d790
commit f1388ec4a1

View File

@ -119,6 +119,15 @@ static inline void nl_set_extack_cookie_u64(struct netlink_ext_ack *extack,
extack->cookie_len = sizeof(__cookie);
}
static inline void nl_set_extack_cookie_u32(struct netlink_ext_ack *extack,
u32 cookie)
{
u32 __cookie = cookie;
memcpy(extack->cookie, &__cookie, sizeof(__cookie));
extack->cookie_len = sizeof(__cookie);
}
void netlink_kernel_release(struct sock *sk);
int __netlink_change_ngroups(struct sock *sk, unsigned int groups);
int netlink_change_ngroups(struct sock *sk, unsigned int groups);