staging/mei: Don't check if loop cursor is null
authorTomas Winkler <tomas.winkler@intel.com>
Sun, 4 Dec 2011 14:16:27 +0000 (16:16 +0200)
committerGreg Kroah-Hartman <gregkh@suse.de>
Thu, 8 Dec 2011 23:00:44 +0000 (15:00 -0800)
list_for_each_entry_safe(pos, next, &head, list)
if (pos) {
....
}

This check isn't needed.  The list cursor in a list_for_each()
loop is always a valid pointer

Cc: Oren Weil <oren.jer.weil@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/staging/mei/init.c

index 32cf05e..ce10224 100644 (file)
@@ -48,11 +48,11 @@ void mei_io_list_init(struct mei_io_list *list)
  */
 void mei_io_list_flush(struct mei_io_list *list, struct mei_cl *cl)
 {
-       struct mei_cl_cb *pos = NULL;
-       struct mei_cl_cb *next = NULL;
+       struct mei_cl_cb *pos;
+       struct mei_cl_cb *next;
 
        list_for_each_entry_safe(pos, next, &list->mei_cb.cb_list, cb_list) {
-               if (pos) {
+               if (pos->file_private) {
                        struct mei_cl *cl_tmp;
                        cl_tmp = (struct mei_cl *)pos->file_private;
                        if (mei_cl_cmp_id(cl, cl_tmp))
@@ -332,11 +332,8 @@ void mei_reset(struct mei_device *dev, int interrupts_enabled)
        /* remove all waiting requests */
        list_for_each_entry_safe(cb_pos, cb_next,
                        &dev->write_list.mei_cb.cb_list, cb_list) {
-               if (cb_pos) {
-                       list_del(&cb_pos->cb_list);
-                       mei_free_cb_private(cb_pos);
-                       cb_pos = NULL;
-               }
+               list_del(&cb_pos->cb_list);
+               mei_free_cb_private(cb_pos);
        }
 }