Make /proc/modules use seq_list_xxx helpers

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

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>

1 files changed, 2 insertions, 15 deletions

diff --git a/kernel/module.c b/kernel/module.c
index 015d60cfd90e..7a1a4d3558d5 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2232,26 +2232,13 @@ unsigned long module_kallsyms_lookup_name(const char *name)
 /* 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)