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Subject[PATCH] llc: fix seq_file support
Hi David,

Please pull from:

kernel.bkbits.net:/home/acme/net-2.5

Best Regards,

- Arnaldo

You can import this changeset into BK by piping this whole message to:
'| bk receive [path to repository]' or apply the patch as usual.
===================================================================

ChangeSet@1.822, 2002-10-30 00:33:12-03:00, acme@conectiva.com.br
o llc: fix seq_file support

Thanks to Maciej Babinski for reporting this on lkml.

This one also uninlines llc_get_sk_idx and turns the error message
in snap_init an __initdata.


802/psnap.c | 5 ++++-
llc/llc_proc.c | 37 ++++++++++++++++++-------------------
2 files changed, 22 insertions(+), 20 deletions(-)

diff -Nru a/net/802/psnap.c b/net/802/psnap.c
--- a/net/802/psnap.c Wed Oct 30 00:34:48 2002
+++ b/net/802/psnap.c Wed Oct 30 00:34:48 2002
@@ -91,12 +91,15 @@
EXPORT_SYMBOL(register_snap_client);
EXPORT_SYMBOL(unregister_snap_client);

+static char snap_err_msg[] __initdata =
+ KERN_CRIT "SNAP - unable to register with 802.2\n";
+
static int __init snap_init(void)
{
snap_sap = llc_sap_open(0xAA, snap_rcv);

if (!snap_sap)
- printk(KERN_CRIT "SNAP - unable to register with 802.2\n");
+ printk(snap_err_msg);

return 0;
}
diff -Nru a/net/llc/llc_proc.c b/net/llc/llc_proc.c
--- a/net/llc/llc_proc.c Wed Oct 30 00:34:48 2002
+++ b/net/llc/llc_proc.c Wed Oct 30 00:34:48 2002
@@ -13,10 +13,11 @@
*/

#include <linux/config.h>
+#include <linux/init.h>
+#ifdef CONFIG_PROC_FS
#include <linux/kernel.h>
#include <linux/proc_fs.h>
#include <linux/errno.h>
-#include <linux/init.h>
#include <linux/seq_file.h>
#include <net/sock.h>
#include <net/llc_c_ac.h>
@@ -27,14 +28,13 @@
#include <net/llc_main.h>
#include <net/llc_sap.h>

-#ifdef CONFIG_PROC_FS
static void llc_ui_format_mac(struct seq_file *seq, unsigned char *mac)
{
seq_printf(seq, "%02X:%02X:%02X:%02X:%02X:%02X",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
}

-static __inline__ struct sock *llc_get_sk_idx(loff_t pos)
+static struct sock *llc_get_sk_idx(loff_t pos)
{
struct list_head *sap_entry;
struct llc_sap *sap;
@@ -44,15 +44,15 @@
sap = list_entry(sap_entry, struct llc_sap, node);

read_lock_bh(&sap->sk_list.lock);
- for (sk = sap->sk_list.list; pos && sk; sk = sk->next)
- --pos;
- if (!pos) {
- if (!sk)
- read_unlock_bh(&sap->sk_list.lock);
- break;
- }
+ for (sk = sap->sk_list.list; sk; sk = sk->next)
+ if (!pos--) {
+ if (!sk)
+ read_unlock_bh(&sap->sk_list.lock);
+ goto out;
+ }
read_unlock_bh(&sap->sk_list.lock);
}
+out:
return sk;
}

@@ -72,15 +72,7 @@

++*pos;
if (v == (void *)1) {
- if (list_empty(&llc_main_station.sap_list.list)) {
- sk = NULL;
- goto out;
- }
- sap = list_entry(llc_main_station.sap_list.list.next,
- struct llc_sap, node);
-
- read_lock_bh(&sap->sk_list.lock);
- sk = sap->sk_list.list;
+ sk = llc_get_sk_idx(0);
goto out;
}
sk = v;
@@ -109,6 +101,13 @@

static void llc_seq_stop(struct seq_file *seq, void *v)
{
+ if (v) {
+ struct sock *sk = v;
+ struct llc_opt *llc = llc_sk(sk);
+ struct llc_sap *sap = llc->sap;
+
+ read_unlock_bh(&sap->sk_list.lock);
+ }
read_unlock_bh(&llc_main_station.sap_list.lock);
}

===================================================================

This BitKeeper patch contains the following changesets:
1.822
## Wrapped with gzip_uu ##


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0R4QR5^([YS]^YD_US0H`````
`
end
-
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