The pdev.mfd_cell is released by platform_device_release(), which is
invoked by platform_device_unregister(). Hence mfd_remove_devices_fn()
shouldn't release the cell variable. The double-free bug is reported KASAN
during of MFD driver module removal.
Fixes: 466a62d7642f ("mfd: core: Make a best effort attempt to match devices
with the correct of_nodes")
Signed-off-by: Dmitry Osipenko <[email protected]>
---
drivers/mfd/mfd-core.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index c3651f06684f..c50718e3db58 100644
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -370,8 +370,6 @@ static int mfd_remove_devices_fn(struct device *dev, void
*data)
regulator_bulk_unregister_supply_alias(dev, cell->parent_supplies,
cell->num_parent_supplies);
- kfree(cell);
-
platform_device_unregister(pdev);
return 0;
}
--
2.27.0
