If device_add() returns error in sdio_add_func(), sdio function is not
presented, so the node refcount that hold in sdio_set_of_node() can not
be put in sdio_remove_func() which is called from error path. Fix this
by calling of_node_put() if device_add() fails.
Fixes: 25185f3f31c9 ("mmc: Add SDIO function devicetree subnode parsing")
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
---
drivers/mmc/core/sdio_bus.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
index babf21a0adeb..b9308813a226 100644
--- a/drivers/mmc/core/sdio_bus.c
+++ b/drivers/mmc/core/sdio_bus.c
@@ -365,6 +365,8 @@ int sdio_add_func(struct sdio_func *func)
ret = device_add(&func->dev);
if (ret == 0)
sdio_func_set_present(func);
+ else
+ of_node_put(func->dev.of_node);
return ret;
}
--
2.25.1
