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>

diff --git a/kernel/module.c b/kernel/module.c
index 015d60cfd90e4f67f07380fac6c05d44aec81580..7a1a4d3558d5ccc33d994ce7c2ac4e9176841a62 100644 (file)
--- 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)