All instances handle compat sockopts via in_compat_syscall() now, so remove the compat_{get,set} methods as well as the compat_nf_{get,set}sockopt wrappers. Signed-off-by: Christoph Hellwig <hch@xxxxxx> --- include/linux/netfilter.h | 14 ------------- net/ipv4/ip_sockglue.c | 5 ++--- net/ipv6/ipv6_sockglue.c | 5 ++--- net/netfilter/nf_sockopt.c | 42 -------------------------------------- 4 files changed, 4 insertions(+), 62 deletions(-) diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h index eb312e7ca36ee5..711b4d4486f042 100644 --- a/include/linux/netfilter.h +++ b/include/linux/netfilter.h @@ -164,17 +164,9 @@ struct nf_sockopt_ops { int set_optmin; int set_optmax; int (*set)(struct sock *sk, int optval, void __user *user, unsigned int len); -#ifdef CONFIG_COMPAT - int (*compat_set)(struct sock *sk, int optval, - void __user *user, unsigned int len); -#endif int get_optmin; int get_optmax; int (*get)(struct sock *sk, int optval, void __user *user, int *len); -#ifdef CONFIG_COMPAT - int (*compat_get)(struct sock *sk, int optval, - void __user *user, int *len); -#endif /* Use the module struct to lock set/get code in place */ struct module *owner; }; @@ -350,12 +342,6 @@ int nf_setsockopt(struct sock *sk, u_int8_t pf, int optval, char __user *opt, unsigned int len); int nf_getsockopt(struct sock *sk, u_int8_t pf, int optval, char __user *opt, int *len); -#ifdef CONFIG_COMPAT -int compat_nf_setsockopt(struct sock *sk, u_int8_t pf, int optval, - char __user *opt, unsigned int len); -int compat_nf_getsockopt(struct sock *sk, u_int8_t pf, int optval, - char __user *opt, int *len); -#endif struct flowi; struct nf_queue_entry; diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c index 84ec3703c90916..95f4248c6fc5ed 100644 --- a/net/ipv4/ip_sockglue.c +++ b/net/ipv4/ip_sockglue.c @@ -1446,8 +1446,7 @@ int compat_ip_setsockopt(struct sock *sk, int level, int optname, optname != IP_IPSEC_POLICY && optname != IP_XFRM_POLICY && !ip_mroute_opt(optname)) - err = compat_nf_setsockopt(sk, PF_INET, optname, optval, - optlen); + err = nf_setsockopt(sk, PF_INET, optname, optval, optlen); #endif return err; } @@ -1821,7 +1820,7 @@ int compat_ip_getsockopt(struct sock *sk, int level, int optname, if (get_user(len, optlen)) return -EFAULT; - err = compat_nf_getsockopt(sk, PF_INET, optname, optval, &len); + err = nf_getsockopt(sk, PF_INET, optname, optval, &len); if (err >= 0) err = put_user(len, optlen); return err; diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index 6ab44ec2c369da..6adfbdcb7979bd 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -1030,8 +1030,7 @@ int compat_ipv6_setsockopt(struct sock *sk, int level, int optname, /* we need to exclude all possible ENOPROTOOPTs except default case */ if (err == -ENOPROTOOPT && optname != IPV6_IPSEC_POLICY && optname != IPV6_XFRM_POLICY) - err = compat_nf_setsockopt(sk, PF_INET6, optname, optval, - optlen); + err = nf_setsockopt(sk, PF_INET6, optname, optval, optlen); #endif return err; } @@ -1531,7 +1530,7 @@ int compat_ipv6_getsockopt(struct sock *sk, int level, int optname, if (get_user(len, optlen)) return -EFAULT; - err = compat_nf_getsockopt(sk, PF_INET6, optname, optval, &len); + err = nf_getsockopt(sk, PF_INET6, optname, optval, &len); if (err >= 0) err = put_user(len, optlen); } diff --git a/net/netfilter/nf_sockopt.c b/net/netfilter/nf_sockopt.c index 46cb3786e0ec5c..02870993d335c9 100644 --- a/net/netfilter/nf_sockopt.c +++ b/net/netfilter/nf_sockopt.c @@ -122,45 +122,3 @@ int nf_getsockopt(struct sock *sk, u_int8_t pf, int val, char __user *opt, return nf_sockopt(sk, pf, val, opt, len, 1); } EXPORT_SYMBOL(nf_getsockopt); - -#ifdef CONFIG_COMPAT -static int compat_nf_sockopt(struct sock *sk, u_int8_t pf, int val, - char __user *opt, int *len, int get) -{ - struct nf_sockopt_ops *ops; - int ret; - - ops = nf_sockopt_find(sk, pf, val, get); - if (IS_ERR(ops)) - return PTR_ERR(ops); - - if (get) { - if (ops->compat_get) - ret = ops->compat_get(sk, val, opt, len); - else - ret = ops->get(sk, val, opt, len); - } else { - if (ops->compat_set) - ret = ops->compat_set(sk, val, opt, *len); - else - ret = ops->set(sk, val, opt, *len); - } - - module_put(ops->owner); - return ret; -} - -int compat_nf_setsockopt(struct sock *sk, u_int8_t pf, - int val, char __user *opt, unsigned int len) -{ - return compat_nf_sockopt(sk, pf, val, opt, &len, 0); -} -EXPORT_SYMBOL(compat_nf_setsockopt); - -int compat_nf_getsockopt(struct sock *sk, u_int8_t pf, - int val, char __user *opt, int *len) -{ - return compat_nf_sockopt(sk, pf, val, opt, len, 1); -} -EXPORT_SYMBOL(compat_nf_getsockopt); -#endif -- 2.27.0