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From: Pavel Emelianov <xemul@sw.ru>
To: Andrew Morton <akpm@osdl.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	devel@openvz.org
Subject: [PATCH 8/15] Make /proc/misc use seq_list_xxx helpers
Date: Fri, 18 May 2007 13:43:48 +0400	[thread overview]
Message-ID: <464D7554.8030004@sw.ru> (raw)
In-Reply-To: <464D6E87.7060605@sw.ru>

Simple and stupid - just use the helpers.

Sorry for no maintainer in Cc: - I haven't found any.

Signed-off-by: Pavel Emelianov <xemul@openvz.org>

---

diff --git a/drivers/char/misc.c b/drivers/char/misc.c
index 4e6fb96..71c8cd7 100644
--- a/drivers/char/misc.c
+++ b/drivers/char/misc.c
@@ -67,25 +67,13 @@ extern int pmu_device_init(void);
 #ifdef CONFIG_PROC_FS
 static void *misc_seq_start(struct seq_file *seq, loff_t *pos)
 {
-	struct miscdevice *p;
-	loff_t off = 0;
-
 	mutex_lock(&misc_mtx);
-	list_for_each_entry(p, &misc_list, list) {
-		if (*pos == off++) 
-			return p;
-	}
-	return NULL;
+	return seq_list_start(&misc_list, *pos);
 }
 
 static void *misc_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 {
-	struct list_head *n = ((struct miscdevice *)v)->list.next;
-
-	++*pos;
-
-	return (n != &misc_list) ? list_entry(n, struct miscdevice, list)
-		 : NULL;
+	return seq_list_next(v, &misc_list, pos);
 }
 
 static void misc_seq_stop(struct seq_file *seq, void *v)
@@ -95,7 +83,7 @@ static void misc_seq_stop(struct seq_fil
 
 static int misc_seq_show(struct seq_file *seq, void *v)
 {
-	const struct miscdevice *p = v;
+	const struct miscdevice *p = list_entry(v, struct miscdevice, list);
 
 	seq_printf(seq, "%3i %s\n", p->minor, p->name ? p->name : "");
 	return 0;


  parent reply	other threads:[~2007-05-18  9:39 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-18  9:14 [PATCH 0/15] Make common helpers for seq_files that work with list_head-s (v2) Pavel Emelianov
2007-05-18  9:21 ` [PATCH 1/15] The helper functions itselves Pavel Emelianov
2007-05-18  9:25 ` [PATCH 2/15] Make AFS use seq_list_xxx helpers Pavel Emelianov
2007-05-18  9:28 ` [PATCH 3/15] Make ATM driver " Pavel Emelianov
2007-05-18  9:32 ` [PATCH 4/15] Make block layer /proc files " Pavel Emelianov
2007-05-18  9:34 ` [PATCH 5/15] Make crypto API " Pavel Emelianov
2007-05-18 10:13   ` Herbert Xu
2007-05-18  9:37 ` [PATCH 6/15] Make input layer " Pavel Emelianov
2007-05-18  9:41 ` [PATCH 7/15] Make ISDN CAPI " Pavel Emelianov
2007-05-18  9:43 ` Pavel Emelianov [this message]
2007-05-18  9:46 ` [PATCH 9/15] Make /proc/modules " Pavel Emelianov
2007-05-18  9:53 ` [PATCH 10/15] Make some network-related proc files " Pavel Emelianov
2007-05-18 10:24   ` David Miller
2007-05-18  9:59 ` [PATCH 1/15] The helper functions itselves David Howells
2007-05-18 10:00 ` [PATCH 11/15] Make some netfilter-related proc files use seq_list_xxx helpers Pavel Emelianov
2007-05-18 10:04 ` [PATCH 12/15] Make NFS client " Pavel Emelianov
2007-05-18 17:42   ` Trond Myklebust
2007-05-18 10:07 ` [PATCH 13/15] Make /proc/tty/drivers " Pavel Emelianov
2007-05-18 10:11 ` [PATCH 14/15] Make /proc/slabinfo " Pavel Emelianov
2007-05-18 10:14 ` [PATCH 15/15] Make /proc/self/mounts(tats) " Pavel Emelianov

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