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net: Remove casts to same type

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Adding casts of objects to the same type is unnecessary
and confusing for a human reader.

For example, this cast:

	int y;
	int *p = (int *)&y;

I used the coccinelle script below to find and remove these
unnecessary casts.  I manually removed the conversions this
script produces of casts with __force and __user.

@@
type T;
T *p;
@@

-	(T *)p
+	p

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Joe Perches 2012-06-03 17:41:40 +00:00 committed by David S. Miller
parent 29a6b6c060
commit e3192690a3
14 changed files with 32 additions and 36 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
net/9p/client.c
View File

@ -1548,7 +1548,7 @@ p9_client_read(struct p9_fid *fid, char *data, char __user *udata, u64 offset,
kernel_buf = 1; kernel_buf = 1;
indata = data; indata = data;
} else } else
indata = (char *)udata; indata = udata;
/* /*
* response header len is 11 * response header len is 11
* PDU Header(7) + IO Size (4) * PDU Header(7) + IO Size (4)

2
net/atm/lec.c
View File

@ -1604,7 +1604,7 @@ static void lec_arp_expire_vcc(unsigned long data)
{ {
unsigned long flags; unsigned long flags;
struct lec_arp_table *to_remove = (struct lec_arp_table *)data; struct lec_arp_table *to_remove = (struct lec_arp_table *)data;
struct lec_priv *priv = (struct lec_priv *)to_remove->priv; struct lec_priv *priv = to_remove->priv;
del_timer(&to_remove->timer); del_timer(&to_remove->timer);

2
net/decnet/dn_nsp_out.c
View File

@ -322,7 +322,7 @@ static __le16 *dn_mk_ack_header(struct sock *sk, struct sk_buff *skb, unsigned c
/* Set "cross subchannel" bit in ackcrs */ /* Set "cross subchannel" bit in ackcrs */
ackcrs |= 0x2000; ackcrs |= 0x2000;
ptr = (__le16 *)dn_mk_common_header(scp, skb, msgflag, hlen); ptr = dn_mk_common_header(scp, skb, msgflag, hlen);
*ptr++ = cpu_to_le16(acknum); *ptr++ = cpu_to_le16(acknum);
*ptr++ = cpu_to_le16(ackcrs); *ptr++ = cpu_to_le16(ackcrs);

2
net/ipv4/af_inet.c
View File

@ -553,7 +553,7 @@ int inet_dgram_connect(struct socket *sock, struct sockaddr *uaddr,
if (!inet_sk(sk)->inet_num && inet_autobind(sk)) if (!inet_sk(sk)->inet_num && inet_autobind(sk))
return -EAGAIN; return -EAGAIN;
return sk->sk_prot->connect(sk, (struct sockaddr *)uaddr, addr_len); return sk->sk_prot->connect(sk, uaddr, addr_len);
} }
EXPORT_SYMBOL(inet_dgram_connect); EXPORT_SYMBOL(inet_dgram_connect);

13
net/ipv4/fib_trie.c
View File

@ -1007,9 +1007,9 @@ static void trie_rebalance(struct trie *t, struct tnode *tn)
while (tn != NULL && (tp = node_parent((struct rt_trie_node *)tn)) != NULL) { while (tn != NULL && (tp = node_parent((struct rt_trie_node *)tn)) != NULL) {
cindex = tkey_extract_bits(key, tp->pos, tp->bits); cindex = tkey_extract_bits(key, tp->pos, tp->bits);
wasfull = tnode_full(tp, tnode_get_child(tp, cindex)); wasfull = tnode_full(tp, tnode_get_child(tp, cindex));
tn = (struct tnode *) resize(t, (struct tnode *)tn); tn = (struct tnode *)resize(t, tn);
tnode_put_child_reorg((struct tnode *)tp, cindex, tnode_put_child_reorg(tp, cindex,
(struct rt_trie_node *)tn, wasfull); (struct rt_trie_node *)tn, wasfull);
tp = node_parent((struct rt_trie_node *) tn); tp = node_parent((struct rt_trie_node *) tn);
@ -1024,7 +1024,7 @@ static void trie_rebalance(struct trie *t, struct tnode *tn)
/* Handle last (top) tnode */ /* Handle last (top) tnode */
if (IS_TNODE(tn)) if (IS_TNODE(tn))
tn = (struct tnode *)resize(t, (struct tnode *)tn); tn = (struct tnode *)resize(t, tn);
rcu_assign_pointer(t->trie, (struct rt_trie_node *)tn); rcu_assign_pointer(t->trie, (struct rt_trie_node *)tn);
tnode_free_flush(); tnode_free_flush();
@ -1125,7 +1125,7 @@ static struct list_head *fib_insert_node(struct trie *t, u32 key, int plen)
node_set_parent((struct rt_trie_node *)l, tp); node_set_parent((struct rt_trie_node *)l, tp);
cindex = tkey_extract_bits(key, tp->pos, tp->bits); cindex = tkey_extract_bits(key, tp->pos, tp->bits);
put_child(t, (struct tnode *)tp, cindex, (struct rt_trie_node *)l); put_child(t, tp, cindex, (struct rt_trie_node *)l);
} else { } else {
/* Case 3: n is a LEAF or a TNODE and the key doesn't match. */ /* Case 3: n is a LEAF or a TNODE and the key doesn't match. */
/* /*
@ -1160,8 +1160,7 @@ static struct list_head *fib_insert_node(struct trie *t, u32 key, int plen)
if (tp) { if (tp) {
cindex = tkey_extract_bits(key, tp->pos, tp->bits); cindex = tkey_extract_bits(key, tp->pos, tp->bits);
put_child(t, (struct tnode *)tp, cindex, put_child(t, tp, cindex, (struct rt_trie_node *)tn);
(struct rt_trie_node *)tn);
} else { } else {
rcu_assign_pointer(t->trie, (struct rt_trie_node *)tn); rcu_assign_pointer(t->trie, (struct rt_trie_node *)tn);
tp = tn; tp = tn;
@ -1620,7 +1619,7 @@ static void trie_leaf_remove(struct trie *t, struct leaf *l)
if (tp) { if (tp) {
t_key cindex = tkey_extract_bits(l->key, tp->pos, tp->bits); t_key cindex = tkey_extract_bits(l->key, tp->pos, tp->bits);
put_child(t, (struct tnode *)tp, cindex, NULL); put_child(t, tp, cindex, NULL);
trie_rebalance(t, tp); trie_rebalance(t, tp);
} else } else
RCU_INIT_POINTER(t->trie, NULL); RCU_INIT_POINTER(t->trie, NULL);

4
net/ipv4/netfilter/nf_nat_snmp_basic.c
View File

@ -405,7 +405,7 @@ static unsigned char asn1_octets_decode(struct asn1_ctx *ctx,
ptr = *octets; ptr = *octets;
while (ctx->pointer < eoc) { while (ctx->pointer < eoc) {
if (!asn1_octet_decode(ctx, (unsigned char *)ptr++)) { if (!asn1_octet_decode(ctx, ptr++)) {
kfree(*octets); kfree(*octets);
*octets = NULL; *octets = NULL;
return 0; return 0;
@ -759,7 +759,7 @@ static unsigned char snmp_object_decode(struct asn1_ctx *ctx,
} }
break; break;
case SNMP_OBJECTID: case SNMP_OBJECTID:
if (!asn1_oid_decode(ctx, end, (unsigned long **)&lp, &len)) { if (!asn1_oid_decode(ctx, end, &lp, &len)) {
kfree(id); kfree(id);
return 0; return 0;
} }

4
net/ipv6/exthdrs.c
View File

@ -791,14 +791,14 @@ static int ipv6_renew_option(void *ohdr,
if (ohdr) { if (ohdr) {
memcpy(*p, ohdr, ipv6_optlen((struct ipv6_opt_hdr *)ohdr)); memcpy(*p, ohdr, ipv6_optlen((struct ipv6_opt_hdr *)ohdr));
*hdr = (struct ipv6_opt_hdr *)*p; *hdr = (struct ipv6_opt_hdr *)*p;
*p += CMSG_ALIGN(ipv6_optlen(*(struct ipv6_opt_hdr **)hdr)); *p += CMSG_ALIGN(ipv6_optlen(*hdr));
} }
} else { } else {
if (newopt) { if (newopt) {
if (copy_from_user(*p, newopt, newoptlen)) if (copy_from_user(*p, newopt, newoptlen))
return -EFAULT; return -EFAULT;
*hdr = (struct ipv6_opt_hdr *)*p; *hdr = (struct ipv6_opt_hdr *)*p;
if (ipv6_optlen(*(struct ipv6_opt_hdr **)hdr) > newoptlen) if (ipv6_optlen(*hdr) > newoptlen)
return -EINVAL; return -EINVAL;
*p += CMSG_ALIGN(newoptlen); *p += CMSG_ALIGN(newoptlen);
} }

6
net/irda/irqueue.c
View File

@ -523,7 +523,7 @@ void *hashbin_remove_first( hashbin_t *hashbin)
* Dequeue the entry... * Dequeue the entry...
*/ */
dequeue_general( (irda_queue_t**) &hashbin->hb_queue[ bin ], dequeue_general( (irda_queue_t**) &hashbin->hb_queue[ bin ],
(irda_queue_t*) entry ); entry);
hashbin->hb_size--; hashbin->hb_size--;
entry->q_next = NULL; entry->q_next = NULL;
entry->q_prev = NULL; entry->q_prev = NULL;
@ -615,7 +615,7 @@ void* hashbin_remove( hashbin_t* hashbin, long hashv, const char* name)
*/ */
if ( found ) { if ( found ) {
dequeue_general( (irda_queue_t**) &hashbin->hb_queue[ bin ], dequeue_general( (irda_queue_t**) &hashbin->hb_queue[ bin ],
(irda_queue_t*) entry ); entry);
hashbin->hb_size--; hashbin->hb_size--;
/* /*
@ -685,7 +685,7 @@ void* hashbin_remove_this( hashbin_t* hashbin, irda_queue_t* entry)
* Dequeue the entry... * Dequeue the entry...
*/ */
dequeue_general( (irda_queue_t**) &hashbin->hb_queue[ bin ], dequeue_general( (irda_queue_t**) &hashbin->hb_queue[ bin ],
(irda_queue_t*) entry ); entry);
hashbin->hb_size--; hashbin->hb_size--;
entry->q_next = NULL; entry->q_next = NULL;
entry->q_prev = NULL; entry->q_prev = NULL;

8
net/l2tp/l2tp_ppp.c
View File

@ -1522,8 +1522,8 @@ static int pppol2tp_session_getsockopt(struct sock *sk,
* handler, according to whether the PPPoX socket is a for a regular session * handler, according to whether the PPPoX socket is a for a regular session
* or the special tunnel type. * or the special tunnel type.
*/ */
static int pppol2tp_getsockopt(struct socket *sock, int level, static int pppol2tp_getsockopt(struct socket *sock, int level, int optname,
int optname, char __user *optval, int __user *optlen) char __user *optval, int __user *optlen)
{ {
struct sock *sk = sock->sk; struct sock *sk = sock->sk;
struct l2tp_session *session; struct l2tp_session *session;
@ -1535,7 +1535,7 @@ static int pppol2tp_getsockopt(struct socket *sock, int level,
if (level != SOL_PPPOL2TP) if (level != SOL_PPPOL2TP)
return udp_prot.getsockopt(sk, level, optname, optval, optlen); return udp_prot.getsockopt(sk, level, optname, optval, optlen);
if (get_user(len, (int __user *) optlen)) if (get_user(len, optlen))
return -EFAULT; return -EFAULT;
len = min_t(unsigned int, len, sizeof(int)); len = min_t(unsigned int, len, sizeof(int));
@ -1568,7 +1568,7 @@ static int pppol2tp_getsockopt(struct socket *sock, int level,
err = pppol2tp_session_getsockopt(sk, session, optname, &val); err = pppol2tp_session_getsockopt(sk, session, optname, &val);
err = -EFAULT; err = -EFAULT;
if (put_user(len, (int __user *) optlen)) if (put_user(len, optlen))
goto end_put_sess; goto end_put_sess;
if (copy_to_user((void __user *) optval, &val, len)) if (copy_to_user((void __user *) optval, &val, len))

3
net/mac80211/scan.c
View File

@ -114,8 +114,7 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
if (elems->tim && (!elems->parse_error || if (elems->tim && (!elems->parse_error ||
!(bss->valid_data & IEEE80211_BSS_VALID_DTIM))) { !(bss->valid_data & IEEE80211_BSS_VALID_DTIM))) {
struct ieee80211_tim_ie *tim_ie = struct ieee80211_tim_ie *tim_ie = elems->tim;
(struct ieee80211_tim_ie *)elems->tim;
bss->dtim_period = tim_ie->dtim_period; bss->dtim_period = tim_ie->dtim_period;
if (!elems->parse_error) if (!elems->parse_error)
bss->valid_data |= IEEE80211_BSS_VALID_DTIM; bss->valid_data |= IEEE80211_BSS_VALID_DTIM;

2
net/netfilter/nf_conntrack_core.c
View File

@ -531,7 +531,7 @@ __nf_conntrack_confirm(struct sk_buff *skb)
tstamp = nf_conn_tstamp_find(ct); tstamp = nf_conn_tstamp_find(ct);
if (tstamp) { if (tstamp) {
if (skb->tstamp.tv64 == 0) if (skb->tstamp.tv64 == 0)
__net_timestamp((struct sk_buff *)skb); __net_timestamp(skb);
tstamp->start = ktime_to_ns(skb->tstamp); tstamp->start = ktime_to_ns(skb->tstamp);
} }

9
net/packet/af_packet.c
View File

@ -592,7 +592,7 @@ static void init_prb_bdqc(struct packet_sock *po,
p1->knxt_seq_num = 1; p1->knxt_seq_num = 1;
p1->pkbdq = pg_vec; p1->pkbdq = pg_vec;
pbd = (struct tpacket_block_desc *)pg_vec[0].buffer; pbd = (struct tpacket_block_desc *)pg_vec[0].buffer;
p1->pkblk_start = (char *)pg_vec[0].buffer; p1->pkblk_start = pg_vec[0].buffer;
p1->kblk_size = req_u->req3.tp_block_size; p1->kblk_size = req_u->req3.tp_block_size;
p1->knum_blocks = req_u->req3.tp_block_nr; p1->knum_blocks = req_u->req3.tp_block_nr;
p1->hdrlen = po->tp_hdrlen; p1->hdrlen = po->tp_hdrlen;
@ -824,8 +824,7 @@ static void prb_open_block(struct tpacket_kbdq_core *pkc1,
h1->ts_first_pkt.ts_sec = ts.tv_sec; h1->ts_first_pkt.ts_sec = ts.tv_sec;
h1->ts_first_pkt.ts_nsec = ts.tv_nsec; h1->ts_first_pkt.ts_nsec = ts.tv_nsec;
pkc1->pkblk_start = (char *)pbd1; pkc1->pkblk_start = (char *)pbd1;
pkc1->nxt_offset = (char *)(pkc1->pkblk_start + pkc1->nxt_offset = pkc1->pkblk_start + BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
BLK_PLUS_PRIV(pkc1->blk_sizeof_priv));
BLOCK_O2FP(pbd1) = (__u32)BLK_PLUS_PRIV(pkc1->blk_sizeof_priv); BLOCK_O2FP(pbd1) = (__u32)BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
BLOCK_O2PRIV(pbd1) = BLK_HDR_LEN; BLOCK_O2PRIV(pbd1) = BLK_HDR_LEN;
pbd1->version = pkc1->version; pbd1->version = pkc1->version;
@ -1018,7 +1017,7 @@ static void *__packet_lookup_frame_in_block(struct packet_sock *po,
struct tpacket_block_desc *pbd; struct tpacket_block_desc *pbd;
char *curr, *end; char *curr, *end;
pkc = GET_PBDQC_FROM_RB(((struct packet_ring_buffer *)&po->rx_ring)); pkc = GET_PBDQC_FROM_RB(&po->rx_ring);
pbd = GET_CURR_PBLOCK_DESC_FROM_CORE(pkc); pbd = GET_CURR_PBLOCK_DESC_FROM_CORE(pkc);
/* Queue is frozen when user space is lagging behind */ /* Queue is frozen when user space is lagging behind */
@ -1044,7 +1043,7 @@ static void *__packet_lookup_frame_in_block(struct packet_sock *po,
smp_mb(); smp_mb();
curr = pkc->nxt_offset; curr = pkc->nxt_offset;
pkc->skb = skb; pkc->skb = skb;
end = (char *) ((char *)pbd + pkc->kblk_size); end = (char *)pbd + pkc->kblk_size;
/* first try the current block */ /* first try the current block */
if (curr+TOTAL_PKT_LEN_INCL_ALIGN(len) < end) { if (curr+TOTAL_PKT_LEN_INCL_ALIGN(len) < end) {

9
net/tipc/port.c
View File

@ -909,8 +909,8 @@ int tipc_createport(void *usr_handle,
warn("Port creation failed, no memory\n"); warn("Port creation failed, no memory\n");
return -ENOMEM; return -ENOMEM;
} }
p_ptr = (struct tipc_port *)tipc_createport_raw(NULL, port_dispatcher, p_ptr = tipc_createport_raw(NULL, port_dispatcher, port_wakeup,
port_wakeup, importance); importance);
if (!p_ptr) { if (!p_ptr) {
kfree(up_ptr); kfree(up_ptr);
return -ENOMEM; return -ENOMEM;
@ -1078,8 +1078,7 @@ int tipc_disconnect_port(struct tipc_port *tp_ptr)
if (tp_ptr->connected) { if (tp_ptr->connected) {
tp_ptr->connected = 0; tp_ptr->connected = 0;
/* let timer expire on it's own to avoid deadlock! */ /* let timer expire on it's own to avoid deadlock! */
tipc_nodesub_unsubscribe( tipc_nodesub_unsubscribe(&tp_ptr->subscription);
&((struct tipc_port *)tp_ptr)->subscription);
res = 0; res = 0;
} else { } else {
res = -ENOTCONN; res = -ENOTCONN;
@ -1099,7 +1098,7 @@ int tipc_disconnect(u32 ref)
p_ptr = tipc_port_lock(ref); p_ptr = tipc_port_lock(ref);
if (!p_ptr) if (!p_ptr)
return -EINVAL; return -EINVAL;
res = tipc_disconnect_port((struct tipc_port *)p_ptr); res = tipc_disconnect_port(p_ptr);
tipc_port_unlock(p_ptr); tipc_port_unlock(p_ptr);
return res; return res;
} }

2
net/tipc/socket.c
View File

@ -54,7 +54,7 @@ struct tipc_sock {
}; };
#define tipc_sk(sk) ((struct tipc_sock *)(sk)) #define tipc_sk(sk) ((struct tipc_sock *)(sk))
#define tipc_sk_port(sk) ((struct tipc_port *)(tipc_sk(sk)->p)) #define tipc_sk_port(sk) (tipc_sk(sk)->p)
#define tipc_rx_ready(sock) (!skb_queue_empty(&sock->sk->sk_receive_queue) || \ #define tipc_rx_ready(sock) (!skb_queue_empty(&sock->sk->sk_receive_queue) || \
(sock->state == SS_DISCONNECTING)) (sock->state == SS_DISCONNECTING))