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[RAW]: Family check in the /proc/net/raw[6] is extra.

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Different hashtables are used for IPv6 and IPv4 raw sockets, so no
need to check the socket family in the iterator over hashtables. Clean
this out.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Denis V. Lunev 2008-01-31 03:46:12 -08:00 • committed by David S. Miller
parent b1641064a3
commit 377cf82d66
3 changed files with 6 additions and 12 deletions
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4
include/net/raw.h
View file

@ -41,7 +41,6 @@ extern void raw_proc_exit(void);
struct raw_iter_state { struct raw_iter_state {
struct seq_net_private p; struct seq_net_private p;
int bucket; int bucket;
unsigned short family;
struct raw_hashinfo *h; struct raw_hashinfo *h;
}; };
@ -49,8 +48,7 @@ struct raw_iter_state {
void *raw_seq_start(struct seq_file *seq, loff_t *pos); void *raw_seq_start(struct seq_file *seq, loff_t *pos);
void *raw_seq_next(struct seq_file *seq, void *v, loff_t *pos); void *raw_seq_next(struct seq_file *seq, void *v, loff_t *pos);
void raw_seq_stop(struct seq_file *seq, void *v); void raw_seq_stop(struct seq_file *seq, void *v);
int raw_seq_open(struct inode *ino, struct file *file, struct raw_hashinfo *h, int raw_seq_open(struct inode *ino, struct file *file, struct raw_hashinfo *h);
unsigned short family);
#endif #endif

12
net/ipv4/raw.c
View file

@ -862,8 +862,7 @@ static struct sock *raw_get_first(struct seq_file *seq)
struct hlist_node *node; struct hlist_node *node;
sk_for_each(sk, node, &state->h->ht[state->bucket]) sk_for_each(sk, node, &state->h->ht[state->bucket])
if (sk->sk_net == state->p.net && if (sk->sk_net == state->p.net)
sk->sk_family == state->family)
goto found; goto found;
} }
sk = NULL; sk = NULL;
@ -879,8 +878,7 @@ static struct sock *raw_get_next(struct seq_file *seq, struct sock *sk)
sk = sk_next(sk); sk = sk_next(sk);
try_again: try_again:
; ;
} while (sk && sk->sk_net != state->p.net && } while (sk && sk->sk_net != state->p.net);
sk->sk_family != state->family);
if (!sk && ++state->bucket < RAW_HTABLE_SIZE) { if (!sk && ++state->bucket < RAW_HTABLE_SIZE) {
sk = sk_head(&state->h->ht[state->bucket]); sk = sk_head(&state->h->ht[state->bucket]);
@ -974,8 +972,7 @@ static const struct seq_operations raw_seq_ops = {
.show = raw_seq_show, .show = raw_seq_show,
}; };
int raw_seq_open(struct inode *ino, struct file *file, struct raw_hashinfo *h, int raw_seq_open(struct inode *ino, struct file *file, struct raw_hashinfo *h)
unsigned short family)
{ {
int err; int err;
struct raw_iter_state *i; struct raw_iter_state *i;
@ -987,14 +984,13 @@ int raw_seq_open(struct inode *ino, struct file *file, struct raw_hashinfo *h,
i = raw_seq_private((struct seq_file *)file->private_data); i = raw_seq_private((struct seq_file *)file->private_data);
i->h = h; i->h = h;
i->family = family;
return 0; return 0;
} }
EXPORT_SYMBOL_GPL(raw_seq_open); EXPORT_SYMBOL_GPL(raw_seq_open);
static int raw_v4_seq_open(struct inode *inode, struct file *file) static int raw_v4_seq_open(struct inode *inode, struct file *file)
{ {
return raw_seq_open(inode, file, &raw_v4_hashinfo, PF_INET); return raw_seq_open(inode, file, &raw_v4_hashinfo);
} }
static const struct file_operations raw_seq_fops = { static const struct file_operations raw_seq_fops = {

2
net/ipv6/raw.c
View file

@ -1262,7 +1262,7 @@ static const struct seq_operations raw6_seq_ops = {
static int raw6_seq_open(struct inode *inode, struct file *file) static int raw6_seq_open(struct inode *inode, struct file *file)
{ {
return raw_seq_open(inode, file, &raw_v6_hashinfo, PF_INET6); return raw_seq_open(inode, file, &raw_v6_hashinfo);
} }
static const struct file_operations raw6_seq_fops = { static const struct file_operations raw6_seq_fops = {