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authorSaravana Kannan <saravanak@google.com>2021-09-15 10:28:06 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-09-28 09:48:48 +0200
commit76f130810b477243ce1312bf5754dc41ce7f91a8 (patch)
tree552ef25bde420e72e2ef81fd8c1b5b1810c592c8 /drivers/base
parent68223eeec70898cd5e42451a9168cd9b2808e248 (diff)
driver core: Create __fwnode_link_del() helper function
The same code is repeated in multiple locations. Create a helper function for it. Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Saravana Kannan <saravanak@google.com> Link: https://lore.kernel.org/r/20210915172808.620546-3-saravanak@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/core.c35
1 files changed, 19 insertions, 16 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c
index bf008040b101..e215220545f8 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -102,6 +102,19 @@ out:
}
/**
+ * __fwnode_link_del - Delete a link between two fwnode_handles.
+ * @link: the fwnode_link to be deleted
+ *
+ * The fwnode_link_lock needs to be held when this function is called.
+ */
+static void __fwnode_link_del(struct fwnode_link *link)
+{
+ list_del(&link->s_hook);
+ list_del(&link->c_hook);
+ kfree(link);
+}
+
+/**
* fwnode_links_purge_suppliers - Delete all supplier links of fwnode_handle.
* @fwnode: fwnode whose supplier links need to be deleted
*
@@ -112,11 +125,8 @@ static void fwnode_links_purge_suppliers(struct fwnode_handle *fwnode)
struct fwnode_link *link, *tmp;
mutex_lock(&fwnode_link_lock);
- list_for_each_entry_safe(link, tmp, &fwnode->suppliers, c_hook) {
- list_del(&link->s_hook);
- list_del(&link->c_hook);
- kfree(link);
- }
+ list_for_each_entry_safe(link, tmp, &fwnode->suppliers, c_hook)
+ __fwnode_link_del(link);
mutex_unlock(&fwnode_link_lock);
}
@@ -131,11 +141,8 @@ static void fwnode_links_purge_consumers(struct fwnode_handle *fwnode)
struct fwnode_link *link, *tmp;
mutex_lock(&fwnode_link_lock);
- list_for_each_entry_safe(link, tmp, &fwnode->consumers, s_hook) {
- list_del(&link->s_hook);
- list_del(&link->c_hook);
- kfree(link);
- }
+ list_for_each_entry_safe(link, tmp, &fwnode->consumers, s_hook)
+ __fwnode_link_del(link);
mutex_unlock(&fwnode_link_lock);
}
@@ -1887,9 +1894,7 @@ static void __fw_devlink_link_to_consumers(struct device *dev)
if (!own_link || ret == -EAGAIN)
continue;
- list_del(&link->s_hook);
- list_del(&link->c_hook);
- kfree(link);
+ __fwnode_link_del(link);
}
}
@@ -1941,9 +1946,7 @@ static void __fw_devlink_link_to_suppliers(struct device *dev,
if (!own_link || ret == -EAGAIN)
continue;
- list_del(&link->s_hook);
- list_del(&link->c_hook);
- kfree(link);
+ __fwnode_link_del(link);
/* If no device link was created, nothing more to do. */
if (ret)