[PATCH v2 1/1] device property: Don't check for NULL twice in the loops
From: Andy Shevchenko
Date: Tue May 18 2021 - 02:48:51 EST
In fwnode_get_next_available_child_node() we check next_child for NULL
twice. All the same in fwnode_get_next_parent_dev() we may avoid checking
fwnode for NULL twice.
Signed-off-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
---
v2: returned NULLs directly (Rafael)
drivers/base/property.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/base/property.c b/drivers/base/property.c
index dd98759d688b..c26370aacdc6 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -627,14 +627,15 @@ EXPORT_SYMBOL_GPL(fwnode_get_next_parent);
*/
struct device *fwnode_get_next_parent_dev(struct fwnode_handle *fwnode)
{
- struct device *dev = NULL;
+ struct device *dev;
fwnode_handle_get(fwnode);
do {
fwnode = fwnode_get_next_parent(fwnode);
- if (fwnode)
- dev = get_dev_from_fwnode(fwnode);
- } while (fwnode && !dev);
+ if (!fwnode)
+ return NULL;
+ dev = get_dev_from_fwnode(fwnode);
+ } while (!dev);
fwnode_handle_put(fwnode);
return dev;
}
@@ -742,10 +743,9 @@ fwnode_get_next_available_child_node(const struct fwnode_handle *fwnode,
do {
next_child = fwnode_get_next_child_node(fwnode, next_child);
-
- if (!next_child || fwnode_device_is_available(next_child))
- break;
- } while (next_child);
+ if (!next_child)
+ return NULL;
+ } while (!fwnode_device_is_available(next_child));
return next_child;
}
--
2.31.1