One proc_net_create() user less.
Signed-off-by: Alexey Dobriyan <[EMAIL PROTECTED]>
---
net/ipv6/route.c | 70 +++++++++++++++++++------------------------------------
1 file changed, 25 insertions(+), 45 deletions(-)
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2288,71 +2288,49 @@ struct rt6_proc_arg
static int rt6_info_route(struct rt6_info *rt, void *p_arg)
{
- struct rt6_proc_arg *arg = (struct rt6_proc_arg *) p_arg;
+ struct seq_file *m = p_arg;
- if (arg->skip < arg->offset / RT6_INFO_LEN) {
- arg->skip++;
- return 0;
- }
-
- if (arg->len >= arg->length)
- return 0;
-
- arg->len += sprintf(arg->buffer + arg->len,
- NIP6_SEQFMT " %02x ",
- NIP6(rt->rt6i_dst.addr),
+ seq_printf(m, NIP6_SEQFMT " %02x ", NIP6(rt->rt6i_dst.addr),
rt->rt6i_dst.plen);
#ifdef CONFIG_IPV6_SUBTREES
- arg->len += sprintf(arg->buffer + arg->len,
- NIP6_SEQFMT " %02x ",
- NIP6(rt->rt6i_src.addr),
+ seq_printf(m, NIP6_SEQFMT " %02x ", NIP6(rt->rt6i_src.addr),
rt->rt6i_src.plen);
#else
- arg->len += sprintf(arg->buffer + arg->len,
- "00000000000000000000000000000000 00 ");
+ seq_puts(m, "00000000000000000000000000000000 00 ");
#endif
if (rt->rt6i_nexthop) {
- arg->len += sprintf(arg->buffer + arg->len,
- NIP6_SEQFMT,
+ seq_printf(m, NIP6_SEQFMT,
NIP6(*((struct in6_addr
*)rt->rt6i_nexthop->primary_key)));
} else {
- arg->len += sprintf(arg->buffer + arg->len,
- "00000000000000000000000000000000");
+ seq_puts(m, "00000000000000000000000000000000");
}
- arg->len += sprintf(arg->buffer + arg->len,
- " %08x %08x %08x %08x %8s\n",
+ seq_printf(m, " %08x %08x %08x %08x %8s\n",
rt->rt6i_metric, atomic_read(&rt->u.dst.__refcnt),
rt->u.dst.__use, rt->rt6i_flags,
rt->rt6i_dev ? rt->rt6i_dev->name : "");
return 0;
}
-static int rt6_proc_info(char *buffer, char **start, off_t offset, int length)
+static int ipv6_route_show(struct seq_file *m, void *v)
{
- struct rt6_proc_arg arg = {
- .buffer = buffer,
- .offset = offset,
- .length = length,
- };
-
- fib6_clean_all(rt6_info_route, 0, &arg);
-
- *start = buffer;
- if (offset)
- *start += offset % RT6_INFO_LEN;
-
- arg.len -= offset % RT6_INFO_LEN;
-
- if (arg.len > length)
- arg.len = length;
- if (arg.len < 0)
- arg.len = 0;
+ fib6_clean_all(rt6_info_route, 0, m);
+ return 0;
+}
- return arg.len;
+static int ipv6_route_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, ipv6_route_show, NULL);
}
+static const struct file_operations ipv6_route_proc_fops = {
+ .open = ipv6_route_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
static int rt6_stats_seq_show(struct seq_file *seq, void *v)
{
seq_printf(seq, "%04x %04x %04x %04x %04x %04x %04x\n",
@@ -2499,9 +2477,11 @@ void __init ip6_route_init(void)
fib6_init();
#ifdef CONFIG_PROC_FS
- p = proc_net_create(&init_net, "ipv6_route", 0, rt6_proc_info);
- if (p)
+ p = create_proc_entry("ipv6_route", 0, init_net.proc_net);
+ if (p) {
p->owner = THIS_MODULE;
+ p->proc_fops = &ipv6_route_proc_fops;
+ }
proc_net_fops_create(&init_net, "rt6_stats", S_IRUGO,
&rt6_stats_seq_fops);
#endif
-
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