[PATCH 9/15] Make /proc/modules use seq_list_xxx helpers

[Pavel Emelianov]

Here there is not need even in .show callback altering.
The original code passes list_head in *v.

Signed-off-by: Pavel Emelianov <xemul@xxxxxxxxxx>

---

diff --git a/kernel/module.c b/kernel/module.c
index 015d60c..7a1a4d3 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2232,26 +2232,13 @@ unsigned long module_kallsyms_lookup_nam
 /* Called by the /proc file system to return a list of modules. */
 static void *m_start(struct seq_file *m, loff_t *pos)
 {
-	struct list_head *i;
-	loff_t n = 0;
-
 	mutex_lock(&module_mutex);
-	list_for_each(i, &modules) {
-		if (n++ == *pos)
-			break;
-	}
-	if (i == &modules)
-		return NULL;
-	return i;
+	return seq_list_start(&modules, *pos);
 }
 
 static void *m_next(struct seq_file *m, void *p, loff_t *pos)
 {
-	struct list_head *i = p;
-	(*pos)++;
-	if (i->next == &modules)
-		return NULL;
-	return i->next;
+	return seq_list_next(p, &modules, pos);
 }
 
 static void m_stop(struct seq_file *m, void *p)

-
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