Revert "driver core: check start node in klist_iter_init_node"

This reverts commit a15d49fd3094cff90e5410ca454a870e0a722fe1 as that
patch broke the build.

Cc: Hannes Reinecke <hare@suse.de>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 7 insertions, 11 deletions

diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index 16f6dd2c4403..3ec3896c83a6 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -49,13 +49,11 @@ int driver_for_each_device(struct device_driver *drv, struct device *start,
         if (!drv)
                 return -EINVAL;
 
-        error = klist_iter_init_node(&drv->p->klist_devices, &i,
-                                     start ? &start->p->knode_driver : NULL);
-        if (!error) {
-                while ((dev = next_device(&i)) && !error)
-                        error = fn(dev, data);
-                klist_iter_exit(&i);
-        }
+        klist_iter_init_node(&drv->p->klist_devices, &i,
+                             start ? &start->p->knode_driver : NULL);
+        while ((dev = next_device(&i)) && !error)
+                error = fn(dev, data);
+        klist_iter_exit(&i);
         return error;
 }
 EXPORT_SYMBOL_GPL(driver_for_each_device);
@@ -85,10 +83,8 @@ struct device *driver_find_device(struct device_driver *drv,
         if (!drv)
                 return NULL;
 
-        if (klist_iter_init_node(&drv->p->klist_devices, &i,
-                                 (start ? &start->p->knode_driver : NULL)) < 0)
-                return NULL;
-
+        klist_iter_init_node(&drv->p->klist_devices, &i,
+                             (start ? &start->p->knode_driver : NULL));
         while ((dev = next_device(&i)))
                 if (match(dev, data) && get_device(dev))
                         break;