t2linux/kernel
0
0
Fork 0
mirror of https://github.com/t2linux/kernel.git synced 2026-08-16 05:22:11 -07:00
Code Issues Packages Projects Releases Wiki Activity

device property: Fix fwnode_graph_devcon_match() fwnode leak

Browse Source 
commit 4a7f4110f79163fd53ea65438041994ed615e3af upstream.

For each endpoint it encounters, fwnode_graph_devcon_match() checks
whether the endpoint's remote port parent device is available. If it is
not, it ignores the endpoint but does not put the reference to the remote
endpoint port parent fwnode. For available devices the fwnode handle
reference is put as expected.

Put the reference for unavailable devices now.

Fixes: 637e9e52b1 ("device connection: Find device connections also from device graphs")
Cc: 5.1+ <stable@vger.kernel.org> # 5.1+
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sakari Ailus
2022-01-27 12:02:45 +01:00
committed by Greg Kroah-Hartman
parent b41054c732
commit ab9559f8ff
1 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/base/property.c
+3 -1
View File
@@ -1206,8 +1206,10 @@ fwnode_graph_devcon_match(struct fwnode_handle *fwnode, const char *con_id,
fwnode_graph_for_each_endpoint(fwnode, ep) {
node = fwnode_graph_get_remote_port_parent(ep);
if (!fwnode_device_is_available(node))
if (!fwnode_device_is_available(node)) {
fwnode_handle_put(node);
continue;
}
ret = match(node, con_id, data);
fwnode_handle_put(node);