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| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2021-12-01 15:59:29 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2021-12-17 20:41:28 +0300 |
| commit | 4a7f4110f79163fd53ea65438041994ed615e3af (patch) | |
| tree | 743714a2b0c0da65b9e4878a24df5704f06ce0b2 /drivers/base/property.c | |
| parent | 2338e7bcef445059a99848a3eddde0b556277663 (diff) | |
| download | linux-4a7f4110f79163fd53ea65438041994ed615e3af.tar.xz | |
device property: Fix fwnode_graph_devcon_match() fwnode leak
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: 637e9e52b185 ("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>
Diffstat (limited to 'drivers/base/property.c')
| -rw-r--r-- | drivers/base/property.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/base/property.c b/drivers/base/property.c index d0960a9e8974..b7b3a7b86006 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -1158,8 +1158,10 @@ 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); |