Make /proc/misc use seq_list_xxx helpers
Simple and stupid - just use the helpers. Signed-off-by: Pavel Emelianov <xemul@openvz.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -67,25 +67,13 @@ extern int pmu_device_init(void);
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#ifdef CONFIG_PROC_FS
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static void *misc_seq_start(struct seq_file *seq, loff_t *pos)
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{
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struct miscdevice *p;
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loff_t off = 0;
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mutex_lock(&misc_mtx);
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list_for_each_entry(p, &misc_list, list) {
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if (*pos == off++)
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return p;
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}
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return NULL;
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return seq_list_start(&misc_list, *pos);
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}
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static void *misc_seq_next(struct seq_file *seq, void *v, loff_t *pos)
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{
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struct list_head *n = ((struct miscdevice *)v)->list.next;
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++*pos;
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return (n != &misc_list) ? list_entry(n, struct miscdevice, list)
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: NULL;
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return seq_list_next(v, &misc_list, pos);
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}
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static void misc_seq_stop(struct seq_file *seq, void *v)
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@ -95,7 +83,7 @@ static void misc_seq_stop(struct seq_file *seq, void *v)
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static int misc_seq_show(struct seq_file *seq, void *v)
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{
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const struct miscdevice *p = v;
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const struct miscdevice *p = list_entry(v, struct miscdevice, list);
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seq_printf(seq, "%3i %s\n", p->minor, p->name ? p->name : "");
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return 0;
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