diff options
| author | Ilia Sergachev <silia@ethz.ch> | 2021-11-15 22:49:44 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-25 18:25:24 +0100 |
| commit | 0f55f89d98c8b3e12b4f55f71c127a173e29557c (patch) | |
| tree | 5760212d8a5eef5634ad46964936da56f8fece77 | |
| parent | vgacon: Propagate console boot parameters before calling `vc_resize' (diff) | |
| download | linux-0f55f89d98c8b3e12b4f55f71c127a173e29557c.tar.xz linux-0f55f89d98c8b3e12b4f55f71c127a173e29557c.zip | |
serial: liteuart: Fix NULL pointer dereference in ->remove()
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@vger.kernel.org>
Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Ilia Sergachev <silia@ethz.ch>
Link: https://lore.kernel.org/r/20211115224944.23f8c12b@dtkw
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/tty/serial/liteuart.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/tty/serial/liteuart.c b/drivers/tty/serial/liteuart.c index dbc0559a9157..f075f4ff5fcf 100644 --- a/drivers/tty/serial/liteuart.c +++ b/drivers/tty/serial/liteuart.c @@ -285,6 +285,8 @@ static int liteuart_probe(struct platform_device *pdev) port->line = dev_id; spin_lock_init(&port->lock); + platform_set_drvdata(pdev, port); + return uart_add_one_port(&liteuart_driver, &uart->port); } |