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-rw-r--r--include/linux/hashtable.h40
-rw-r--r--include/linux/if_team.h6
-rw-r--r--include/linux/list.h49
-rw-r--r--include/linux/pid.h3
-rw-r--r--include/linux/rculist.h56
-rw-r--r--include/net/ax25.h8
-rw-r--r--include/net/inet_hashtables.h4
-rw-r--r--include/net/inet_timewait_sock.h8
-rw-r--r--include/net/netrom.h16
-rw-r--r--include/net/sch_generic.h3
-rw-r--r--include/net/sctp/sctp.h4
-rw-r--r--include/net/sock.h21
12 files changed, 103 insertions, 115 deletions
diff --git a/include/linux/hashtable.h b/include/linux/hashtable.h
index 227c62424f3c..a9df51f5d54c 100644
--- a/include/linux/hashtable.h
+++ b/include/linux/hashtable.h
@@ -115,51 +115,50 @@ static inline void hash_del_rcu(struct hlist_node *node)
* hash_for_each - iterate over a hashtable
* @name: hashtable to iterate
* @bkt: integer to use as bucket loop cursor
- * @node: the &struct list_head to use as a loop cursor for each entry
* @obj: the type * to use as a loop cursor for each entry
* @member: the name of the hlist_node within the struct
*/
-#define hash_for_each(name, bkt, node, obj, member) \
- for ((bkt) = 0, node = NULL; node == NULL && (bkt) < HASH_SIZE(name); (bkt)++)\
- hlist_for_each_entry(obj, node, &name[bkt], member)
+#define hash_for_each(name, bkt, obj, member) \
+ for ((bkt) = 0, obj = NULL; obj == NULL && (bkt) < HASH_SIZE(name);\
+ (bkt)++)\
+ hlist_for_each_entry(obj, &name[bkt], member)
/**
* hash_for_each_rcu - iterate over a rcu enabled hashtable
* @name: hashtable to iterate
* @bkt: integer to use as bucket loop cursor
- * @node: the &struct list_head to use as a loop cursor for each entry
* @obj: the type * to use as a loop cursor for each entry
* @member: the name of the hlist_node within the struct
*/
-#define hash_for_each_rcu(name, bkt, node, obj, member) \
- for ((bkt) = 0, node = NULL; node == NULL && (bkt) < HASH_SIZE(name); (bkt)++)\
- hlist_for_each_entry_rcu(obj, node, &name[bkt], member)
+#define hash_for_each_rcu(name, bkt, obj, member) \
+ for ((bkt) = 0, obj = NULL; obj == NULL && (bkt) < HASH_SIZE(name);\
+ (bkt)++)\
+ hlist_for_each_entry_rcu(obj, &name[bkt], member)
/**
* hash_for_each_safe - iterate over a hashtable safe against removal of
* hash entry
* @name: hashtable to iterate
* @bkt: integer to use as bucket loop cursor
- * @node: the &struct list_head to use as a loop cursor for each entry
* @tmp: a &struct used for temporary storage
* @obj: the type * to use as a loop cursor for each entry
* @member: the name of the hlist_node within the struct
*/
-#define hash_for_each_safe(name, bkt, node, tmp, obj, member) \
- for ((bkt) = 0, node = NULL; node == NULL && (bkt) < HASH_SIZE(name); (bkt)++)\
- hlist_for_each_entry_safe(obj, node, tmp, &name[bkt], member)
+#define hash_for_each_safe(name, bkt, tmp, obj, member) \
+ for ((bkt) = 0, obj = NULL; obj == NULL && (bkt) < HASH_SIZE(name);\
+ (bkt)++)\
+ hlist_for_each_entry_safe(obj, tmp, &name[bkt], member)
/**
* hash_for_each_possible - iterate over all possible objects hashing to the
* same bucket
* @name: hashtable to iterate
* @obj: the type * to use as a loop cursor for each entry
- * @node: the &struct list_head to use as a loop cursor for each entry
* @member: the name of the hlist_node within the struct
* @key: the key of the objects to iterate over
*/
-#define hash_for_each_possible(name, obj, node, member, key) \
- hlist_for_each_entry(obj, node, &name[hash_min(key, HASH_BITS(name))], member)
+#define hash_for_each_possible(name, obj, member, key) \
+ hlist_for_each_entry(obj, &name[hash_min(key, HASH_BITS(name))], member)
/**
* hash_for_each_possible_rcu - iterate over all possible objects hashing to the
@@ -167,25 +166,24 @@ static inline void hash_del_rcu(struct hlist_node *node)
* in a rcu enabled hashtable
* @name: hashtable to iterate
* @obj: the type * to use as a loop cursor for each entry
- * @node: the &struct list_head to use as a loop cursor for each entry
* @member: the name of the hlist_node within the struct
* @key: the key of the objects to iterate over
*/
-#define hash_for_each_possible_rcu(name, obj, node, member, key) \
- hlist_for_each_entry_rcu(obj, node, &name[hash_min(key, HASH_BITS(name))], member)
+#define hash_for_each_possible_rcu(name, obj, member, key) \
+ hlist_for_each_entry_rcu(obj, &name[hash_min(key, HASH_BITS(name))],\
+ member)
/**
* hash_for_each_possible_safe - iterate over all possible objects hashing to the
* same bucket safe against removals
* @name: hashtable to iterate
* @obj: the type * to use as a loop cursor for each entry
- * @node: the &struct list_head to use as a loop cursor for each entry
* @tmp: a &struct used for temporary storage
* @member: the name of the hlist_node within the struct
* @key: the key of the objects to iterate over
*/
-#define hash_for_each_possible_safe(name, obj, node, tmp, member, key) \
- hlist_for_each_entry_safe(obj, node, tmp, \
+#define hash_for_each_possible_safe(name, obj, tmp, member, key) \
+ hlist_for_each_entry_safe(obj, tmp,\
&name[hash_min(key, HASH_BITS(name))], member)
diff --git a/include/linux/if_team.h b/include/linux/if_team.h
index 4648d8021244..cfd21e3d5506 100644
--- a/include/linux/if_team.h
+++ b/include/linux/if_team.h
@@ -216,11 +216,10 @@ static inline struct hlist_head *team_port_index_hash(struct team *team,
static inline struct team_port *team_get_port_by_index(struct team *team,
int port_index)
{
- struct hlist_node *p;
struct team_port *port;
struct hlist_head *head = team_port_index_hash(team, port_index);
- hlist_for_each_entry(port, p, head, hlist)
+ hlist_for_each_entry(port, head, hlist)
if (port->index == port_index)
return port;
return NULL;
@@ -228,11 +227,10 @@ static inline struct team_port *team_get_port_by_index(struct team *team,
static inline struct team_port *team_get_port_by_index_rcu(struct team *team,
int port_index)
{
- struct hlist_node *p;
struct team_port *port;
struct hlist_head *head = team_port_index_hash(team, port_index);
- hlist_for_each_entry_rcu(port, p, head, hlist)
+ hlist_for_each_entry_rcu(port, head, hlist)
if (port->index == port_index)
return port;
return NULL;
diff --git a/include/linux/list.h b/include/linux/list.h
index cc6d2aa6b415..d991cc147c98 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -666,54 +666,49 @@ static inline void hlist_move_list(struct hlist_head *old,
for (pos = (head)->first; pos && ({ n = pos->next; 1; }); \
pos = n)
+#define hlist_entry_safe(ptr, type, member) \
+ (ptr) ? hlist_entry(ptr, type, member) : NULL
+
/**
* hlist_for_each_entry - iterate over list of given type
- * @tpos: the type * to use as a loop cursor.
- * @pos: the &struct hlist_node to use as a loop cursor.
+ * @pos: the type * to use as a loop cursor.
* @head: the head for your list.
* @member: the name of the hlist_node within the struct.
*/
-#define hlist_for_each_entry(tpos, pos, head, member) \
- for (pos = (head)->first; \
- pos && \
- ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
- pos = pos->next)
+#define hlist_for_each_entry(pos, head, member) \
+ for (pos = hlist_entry_safe((head)->first, typeof(*(pos)), member);\
+ pos; \
+ pos = hlist_entry_safe((pos)->member.next, typeof(*(pos)), member))
/**
* hlist_for_each_entry_continue - iterate over a hlist continuing after current point
- * @tpos: the type * to use as a loop cursor.
- * @pos: the &struct hlist_node to use as a loop cursor.
+ * @pos: the type * to use as a loop cursor.
* @member: the name of the hlist_node within the struct.
*/
-#define hlist_for_each_entry_continue(tpos, pos, member) \
- for (pos = (pos)->next; \
- pos && \
- ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
- pos = pos->next)
+#define hlist_for_each_entry_continue(pos, member) \
+ for (pos = hlist_entry_safe((pos)->member.next, typeof(*(pos)), member);\
+ pos; \
+ pos = hlist_entry_safe((pos)->member.next, typeof(*(pos)), member))
/**
* hlist_for_each_entry_from - iterate over a hlist continuing from current point
- * @tpos: the type * to use as a loop cursor.
- * @pos: the &struct hlist_node to use as a loop cursor.
+ * @pos: the type * to use as a loop cursor.
* @member: the name of the hlist_node within the struct.
*/
-#define hlist_for_each_entry_from(tpos, pos, member) \
- for (; pos && \
- ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
- pos = pos->next)
+#define hlist_for_each_entry_from(pos, member) \
+ for (; pos; \
+ pos = hlist_entry_safe((pos)->member.next, typeof(*(pos)), member))
/**
* hlist_for_each_entry_safe - iterate over list of given type safe against removal of list entry
- * @tpos: the type * to use as a loop cursor.
- * @pos: the &struct hlist_node to use as a loop cursor.
+ * @pos: the type * to use as a loop cursor.
* @n: another &struct hlist_node to use as temporary storage
* @head: the head for your list.
* @member: the name of the hlist_node within the struct.
*/
-#define hlist_for_each_entry_safe(tpos, pos, n, head, member) \
- for (pos = (head)->first; \
- pos && ({ n = pos->next; 1; }) && \
- ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
- pos = n)
+#define hlist_for_each_entry_safe(pos, n, head, member) \
+ for (pos = hlist_entry_safe((head)->first, typeof(*pos), member);\
+ pos && ({ n = pos->member.next; 1; }); \
+ pos = hlist_entry_safe(n, typeof(*pos), member))
#endif
diff --git a/include/linux/pid.h b/include/linux/pid.h
index 2381c973d897..a089a3c447fc 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -176,9 +176,8 @@ pid_t pid_vnr(struct pid *pid);
#define do_each_pid_task(pid, type, task) \
do { \
- struct hlist_node *pos___; \
if ((pid) != NULL) \
- hlist_for_each_entry_rcu((task), pos___, \
+ hlist_for_each_entry_rcu((task), \
&(pid)->tasks[type], pids[type].node) {
/*
diff --git a/include/linux/rculist.h b/include/linux/rculist.h
index c92dd28eaa6c..8089e35d47ac 100644
--- a/include/linux/rculist.h
+++ b/include/linux/rculist.h
@@ -445,8 +445,7 @@ static inline void hlist_add_after_rcu(struct hlist_node *prev,
/**
* hlist_for_each_entry_rcu - iterate over rcu list of given type
- * @tpos: the type * to use as a loop cursor.
- * @pos: the &struct hlist_node to use as a loop cursor.
+ * @pos: the type * to use as a loop cursor.
* @head: the head for your list.
* @member: the name of the hlist_node within the struct.
*
@@ -454,16 +453,16 @@ static inline void hlist_add_after_rcu(struct hlist_node *prev,
* the _rcu list-mutation primitives such as hlist_add_head_rcu()
* as long as the traversal is guarded by rcu_read_lock().
*/
-#define hlist_for_each_entry_rcu(tpos, pos, head, member) \
- for (pos = rcu_dereference_raw(hlist_first_rcu(head)); \
- pos && \
- ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1; }); \
- pos = rcu_dereference_raw(hlist_next_rcu(pos)))
+#define hlist_for_each_entry_rcu(pos, head, member) \
+ for (pos = hlist_entry_safe (rcu_dereference_raw(hlist_first_rcu(head)),\
+ typeof(*(pos)), member); \
+ pos; \
+ pos = hlist_entry_safe(rcu_dereference_raw(hlist_next_rcu(\
+ &(pos)->member)), typeof(*(pos)), member))
/**
* hlist_for_each_entry_rcu_bh - iterate over rcu list of given type
- * @tpos: the type * to use as a loop cursor.
- * @pos: the &struct hlist_node to use as a loop cursor.
+ * @pos: the type * to use as a loop cursor.
* @head: the head for your list.
* @member: the name of the hlist_node within the struct.
*
@@ -471,35 +470,36 @@ static inline void hlist_add_after_rcu(struct hlist_node *prev,
* the _rcu list-mutation primitives such as hlist_add_head_rcu()
* as long as the traversal is guarded by rcu_read_lock().
*/
-#define hlist_for_each_entry_rcu_bh(tpos, pos, head, member) \
- for (pos = rcu_dereference_bh((head)->first); \
- pos && \
- ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1; }); \
- pos = rcu_dereference_bh(pos->next))
+#define hlist_for_each_entry_rcu_bh(pos, head, member) \
+ for (pos = hlist_entry_safe(rcu_dereference_bh(hlist_first_rcu(head)),\
+ typeof(*(pos)), member); \
+ pos; \
+ pos = hlist_entry_safe(rcu_dereference_bh(hlist_next_rcu(\
+ &(pos)->member)), typeof(*(pos)), member))
/**
* hlist_for_each_entry_continue_rcu - iterate over a hlist continuing after current point
- * @tpos: the type * to use as a loop cursor.
- * @pos: the &struct hlist_node to use as a loop cursor.
+ * @pos: the type * to use as a loop cursor.
* @member: the name of the hlist_node within the struct.
*/
-#define hlist_for_each_entry_continue_rcu(tpos, pos, member) \
- for (pos = rcu_dereference((pos)->next); \
- pos && \
- ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1; }); \
- pos = rcu_dereference(pos->next))
+#define hlist_for_each_entry_continue_rcu(pos, member) \
+ for (pos = hlist_entry_safe(rcu_dereference((pos)->member.next),\
+ typeof(*(pos)), member); \
+ pos; \
+ pos = hlist_entry_safe(rcu_dereference((pos)->member.next),\
+ typeof(*(pos)), member))
/**
* hlist_for_each_entry_continue_rcu_bh - iterate over a hlist continuing after current point
- * @tpos: the type * to use as a loop cursor.
- * @pos: the &struct hlist_node to use as a loop cursor.
+ * @pos: the type * to use as a loop cursor.
* @member: the name of the hlist_node within the struct.
*/
-#define hlist_for_each_entry_continue_rcu_bh(tpos, pos, member) \
- for (pos = rcu_dereference_bh((pos)->next); \
- pos && \
- ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1; }); \
- pos = rcu_dereference_bh(pos->next))
+#define hlist_for_each_entry_continue_rcu_bh(pos, member) \
+ for (pos = hlist_entry_safe(rcu_dereference_bh((pos)->member.next),\
+ typeof(*(pos)), member); \
+ pos; \
+ pos = hlist_entry_safe(rcu_dereference_bh((pos)->member.next),\
+ typeof(*(pos)), member))
#endif /* __KERNEL__ */
diff --git a/include/net/ax25.h b/include/net/ax25.h
index 53539acbd81a..89ed9ac5701f 100644
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -161,8 +161,8 @@ typedef struct ax25_uid_assoc {
ax25_address call;
} ax25_uid_assoc;
-#define ax25_uid_for_each(__ax25, node, list) \
- hlist_for_each_entry(__ax25, node, list, uid_node)
+#define ax25_uid_for_each(__ax25, list) \
+ hlist_for_each_entry(__ax25, list, uid_node)
#define ax25_uid_hold(ax25) \
atomic_inc(&((ax25)->refcount))
@@ -247,8 +247,8 @@ typedef struct ax25_cb {
#define ax25_sk(__sk) ((ax25_cb *)(__sk)->sk_protinfo)
-#define ax25_for_each(__ax25, node, list) \
- hlist_for_each_entry(__ax25, node, list, ax25_node)
+#define ax25_for_each(__ax25, list) \
+ hlist_for_each_entry(__ax25, list, ax25_node)
#define ax25_cb_hold(__ax25) \
atomic_inc(&((__ax25)->refcount))
diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h
index 7b2ae9d37076..ef83d9e844b5 100644
--- a/include/net/inet_hashtables.h
+++ b/include/net/inet_hashtables.h
@@ -94,8 +94,8 @@ static inline struct net *ib_net(struct inet_bind_bucket *ib)
return read_pnet(&ib->ib_net);
}
-#define inet_bind_bucket_for_each(tb, pos, head) \
- hlist_for_each_entry(tb, pos, head, node)
+#define inet_bind_bucket_for_each(tb, head) \
+ hlist_for_each_entry(tb, head, node)
struct inet_bind_hashbucket {
spinlock_t lock;
diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h
index 7d658d577368..f908dfc06505 100644
--- a/include/net/inet_timewait_sock.h
+++ b/include/net/inet_timewait_sock.h
@@ -178,11 +178,11 @@ static inline int inet_twsk_del_dead_node(struct inet_timewait_sock *tw)
#define inet_twsk_for_each(tw, node, head) \
hlist_nulls_for_each_entry(tw, node, head, tw_node)
-#define inet_twsk_for_each_inmate(tw, node, jail) \
- hlist_for_each_entry(tw, node, jail, tw_death_node)
+#define inet_twsk_for_each_inmate(tw, jail) \
+ hlist_for_each_entry(tw, jail, tw_death_node)
-#define inet_twsk_for_each_inmate_safe(tw, node, safe, jail) \
- hlist_for_each_entry_safe(tw, node, safe, jail, tw_death_node)
+#define inet_twsk_for_each_inmate_safe(tw, safe, jail) \
+ hlist_for_each_entry_safe(tw, safe, jail, tw_death_node)
static inline struct inet_timewait_sock *inet_twsk(const struct sock *sk)
{
diff --git a/include/net/netrom.h b/include/net/netrom.h
index f0793c1cb5f8..121dcf854db5 100644
--- a/include/net/netrom.h
+++ b/include/net/netrom.h
@@ -154,17 +154,17 @@ static __inline__ void nr_node_unlock(struct nr_node *nr_node)
nr_node_put(nr_node);
}
-#define nr_neigh_for_each(__nr_neigh, node, list) \
- hlist_for_each_entry(__nr_neigh, node, list, neigh_node)
+#define nr_neigh_for_each(__nr_neigh, list) \
+ hlist_for_each_entry(__nr_neigh, list, neigh_node)
-#define nr_neigh_for_each_safe(__nr_neigh, node, node2, list) \
- hlist_for_each_entry_safe(__nr_neigh, node, node2, list, neigh_node)
+#define nr_neigh_for_each_safe(__nr_neigh, node2, list) \
+ hlist_for_each_entry_safe(__nr_neigh, node2, list, neigh_node)
-#define nr_node_for_each(__nr_node, node, list) \
- hlist_for_each_entry(__nr_node, node, list, node_node)
+#define nr_node_for_each(__nr_node, list) \
+ hlist_for_each_entry(__nr_node, list, node_node)
-#define nr_node_for_each_safe(__nr_node, node, node2, list) \
- hlist_for_each_entry_safe(__nr_node, node, node2, list, node_node)
+#define nr_node_for_each_safe(__nr_node, node2, list) \
+ hlist_for_each_entry_safe(__nr_node, node2, list, node_node)
/*********************************************************************/
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 2761c905504e..f10818fc8804 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -339,11 +339,10 @@ static inline struct Qdisc_class_common *
qdisc_class_find(const struct Qdisc_class_hash *hash, u32 id)
{
struct Qdisc_class_common *cl;
- struct hlist_node *n;
unsigned int h;
h = qdisc_class_hash(id, hash->hashmask);
- hlist_for_each_entry(cl, n, &hash->hash[h], hnode) {
+ hlist_for_each_entry(cl, &hash->hash[h], hnode) {
if (cl->classid == id)
return cl;
}
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 7fdf298a47ef..df85a0c0f2d5 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -675,8 +675,8 @@ static inline int sctp_vtag_hashfn(__u16 lport, __u16 rport, __u32 vtag)
return h & (sctp_assoc_hashsize - 1);
}
-#define sctp_for_each_hentry(epb, node, head) \
- hlist_for_each_entry(epb, node, head, node)
+#define sctp_for_each_hentry(epb, head) \
+ hlist_for_each_entry(epb, head, node)
/* Is a socket of this style? */
#define sctp_style(sk, style) __sctp_style((sk), (SCTP_SOCKET_##style))
diff --git a/include/net/sock.h b/include/net/sock.h
index a66caa223d18..14f6e9d19dc7 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -606,24 +606,23 @@ static inline void sk_add_bind_node(struct sock *sk,
hlist_add_head(&sk->sk_bind_node, list);
}
-#define sk_for_each(__sk, node, list) \
- hlist_for_each_entry(__sk, node, list, sk_node)
-#define sk_for_each_rcu(__sk, node, list) \
- hlist_for_each_entry_rcu(__sk, node, list, sk_node)
+#define sk_for_each(__sk, list) \
+ hlist_for_each_entry(__sk, list, sk_node)
+#define sk_for_each_rcu(__sk, list) \
+ hlist_for_each_entry_rcu(__sk, list, sk_node)
#define sk_nulls_for_each(__sk, node, list) \
hlist_nulls_for_each_entry(__sk, node, list, sk_nulls_node)
#define sk_nulls_for_each_rcu(__sk, node, list) \
hlist_nulls_for_each_entry_rcu(__sk, node, list, sk_nulls_node)
-#define sk_for_each_from(__sk, node) \
- if (__sk && ({ node = &(__sk)->sk_node; 1; })) \
- hlist_for_each_entry_from(__sk, node, sk_node)
+#define sk_for_each_from(__sk) \
+ hlist_for_each_entry_from(__sk, sk_node)
#define sk_nulls_for_each_from(__sk, node) \
if (__sk && ({ node = &(__sk)->sk_nulls_node; 1; })) \
hlist_nulls_for_each_entry_from(__sk, node, sk_nulls_node)
-#define sk_for_each_safe(__sk, node, tmp, list) \
- hlist_for_each_entry_safe(__sk, node, tmp, list, sk_node)
-#define sk_for_each_bound(__sk, node, list) \
- hlist_for_each_entry(__sk, node, list, sk_bind_node)
+#define sk_for_each_safe(__sk, tmp, list) \
+ hlist_for_each_entry_safe(__sk, tmp, list, sk_node)
+#define sk_for_each_bound(__sk, list) \
+ hlist_for_each_entry(__sk, list, sk_bind_node)
static inline struct user_namespace *sk_user_ns(struct sock *sk)
{
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