diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/tcp.c | 11 | ||||
| -rw-r--r-- | net/netfilter/nf_nat_core.c | 6 | ||||
| -rw-r--r-- | net/tipc/core.h | 2 | ||||
| -rw-r--r-- | net/tipc/link.c | 10 |
4 files changed, 13 insertions, 16 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index cee1e548660c..b1559481898d 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1742,7 +1742,7 @@ void tcp_update_recv_tstamps(struct sk_buff *skb, } #ifdef CONFIG_MMU -const struct vm_operations_struct tcp_vm_ops = { +static const struct vm_operations_struct tcp_vm_ops = { }; int tcp_mmap(struct file *file, struct socket *sock, @@ -2045,13 +2045,10 @@ static struct vm_area_struct *find_tcp_vma(struct mm_struct *mm, unsigned long address, bool *mmap_locked) { - struct vm_area_struct *vma = NULL; + struct vm_area_struct *vma = lock_vma_under_rcu(mm, address); -#ifdef CONFIG_PER_VMA_LOCK - vma = lock_vma_under_rcu(mm, address); -#endif if (vma) { - if (!vma_is_tcp(vma)) { + if (vma->vm_ops != &tcp_vm_ops) { vma_end_read(vma); return NULL; } @@ -2061,7 +2058,7 @@ static struct vm_area_struct *find_tcp_vma(struct mm_struct *mm, mmap_read_lock(mm); vma = vma_lookup(mm, address); - if (!vma || !vma_is_tcp(vma)) { + if (!vma || vma->vm_ops != &tcp_vm_ops) { mmap_read_unlock(mm); return NULL; } diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c index fadbd4ed3dc0..c4e0516a8dfa 100644 --- a/net/netfilter/nf_nat_core.c +++ b/net/netfilter/nf_nat_core.c @@ -327,7 +327,7 @@ static bool l4proto_in_range(const struct nf_conntrack_tuple *tuple, /* If we source map this tuple so reply looks like reply_tuple, will * that meet the constraints of range. */ -static int in_range(const struct nf_conntrack_tuple *tuple, +static int nf_in_range(const struct nf_conntrack_tuple *tuple, const struct nf_nat_range2 *range) { /* If we are supposed to map IPs, then we must be in the @@ -376,7 +376,7 @@ find_appropriate_src(struct net *net, &ct->tuplehash[IP_CT_DIR_REPLY].tuple); result->dst = tuple->dst; - if (in_range(result, range)) + if (nf_in_range(result, range)) return 1; } } @@ -607,7 +607,7 @@ get_unique_tuple(struct nf_conntrack_tuple *tuple, if (maniptype == NF_NAT_MANIP_SRC && !(range->flags & NF_NAT_RANGE_PROTO_RANDOM_ALL)) { /* try the original tuple first */ - if (in_range(orig_tuple, range)) { + if (nf_in_range(orig_tuple, range)) { if (!nf_nat_used_tuple(orig_tuple, ct)) { *tuple = *orig_tuple; return; diff --git a/net/tipc/core.h b/net/tipc/core.h index 0a3f7a70a50a..7eccd97e0609 100644 --- a/net/tipc/core.h +++ b/net/tipc/core.h @@ -197,7 +197,7 @@ static inline int less(u16 left, u16 right) return less_eq(left, right) && (mod(right) != mod(left)); } -static inline int in_range(u16 val, u16 min, u16 max) +static inline int tipc_in_range(u16 val, u16 min, u16 max) { return !less(val, min) && !more(val, max); } diff --git a/net/tipc/link.c b/net/tipc/link.c index 2eff1c7949cb..e33b4f29f77c 100644 --- a/net/tipc/link.c +++ b/net/tipc/link.c @@ -1623,7 +1623,7 @@ next_gap_ack: last_ga->bgack_cnt); } /* Check against the last Gap ACK block */ - if (in_range(seqno, start, end)) + if (tipc_in_range(seqno, start, end)) continue; /* Update/release the packet peer is acking */ bc_has_acked = true; @@ -2251,12 +2251,12 @@ static int tipc_link_proto_rcv(struct tipc_link *l, struct sk_buff *skb, strncpy(if_name, data, TIPC_MAX_IF_NAME); /* Update own tolerance if peer indicates a non-zero value */ - if (in_range(peers_tol, TIPC_MIN_LINK_TOL, TIPC_MAX_LINK_TOL)) { + if (tipc_in_range(peers_tol, TIPC_MIN_LINK_TOL, TIPC_MAX_LINK_TOL)) { l->tolerance = peers_tol; l->bc_rcvlink->tolerance = peers_tol; } /* Update own priority if peer's priority is higher */ - if (in_range(peers_prio, l->priority + 1, TIPC_MAX_LINK_PRI)) + if (tipc_in_range(peers_prio, l->priority + 1, TIPC_MAX_LINK_PRI)) l->priority = peers_prio; /* If peer is going down we want full re-establish cycle */ @@ -2299,13 +2299,13 @@ static int tipc_link_proto_rcv(struct tipc_link *l, struct sk_buff *skb, l->rcv_nxt_state = msg_seqno(hdr) + 1; /* Update own tolerance if peer indicates a non-zero value */ - if (in_range(peers_tol, TIPC_MIN_LINK_TOL, TIPC_MAX_LINK_TOL)) { + if (tipc_in_range(peers_tol, TIPC_MIN_LINK_TOL, TIPC_MAX_LINK_TOL)) { l->tolerance = peers_tol; l->bc_rcvlink->tolerance = peers_tol; } /* Update own prio if peer indicates a different value */ if ((peers_prio != l->priority) && - in_range(peers_prio, 1, TIPC_MAX_LINK_PRI)) { + tipc_in_range(peers_prio, 1, TIPC_MAX_LINK_PRI)) { l->priority = peers_prio; rc = tipc_link_fsm_evt(l, LINK_FAILURE_EVT); } |