From: Ilia Sergachev <silia@xxxxxxx>
commit 0f55f89d98c8b3e12b4f55f71c127a173e29557c upstream.
drvdata has to be set in _probe() - otherwise platform_get_drvdata()
causes null pointer dereference BUG in _remove().
Fixes: 1da81e5562fa ("drivers/tty/serial: add LiteUART driver")
Cc: stable <stable@xxxxxxxxxxxxxxx>
Reviewed-by: Johan Hovold <johan@xxxxxxxxxx>
Signed-off-by: Ilia Sergachev <silia@xxxxxxx>
Link: https://lore.kernel.org/r/20211115224944.23f8c12b@dtkw
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/tty/serial/liteuart.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/tty/serial/liteuart.c
+++ b/drivers/tty/serial/liteuart.c
@@ -285,6 +285,8 @@ static int liteuart_probe(struct platfor
port->line = dev_id;
spin_lock_init(&port->lock);
+ platform_set_drvdata(pdev, port);
+
return uart_add_one_port(&liteuart_driver, &uart->port);
}
