diff options
| author | Johan Hovold <[email protected]> | 2021-11-17 11:05:10 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2021-11-25 18:25:49 +0100 |
| commit | 05f929b395dec8957b636ff14e66b277ed022ed9 (patch) | |
| tree | 536f70b0347e138ef0ddf38d8b3ac894e8e483c6 | |
| parent | 0f55f89d98c8b3e12b4f55f71c127a173e29557c (diff) | |
serial: liteuart: fix use-after-free and memleak on unbind
Deregister the port when unbinding the driver to prevent it from being
used after releasing the driver data and leaking memory allocated by
serial core.
Fixes: 1da81e5562fa ("drivers/tty/serial: add LiteUART driver")
Cc: [email protected] # 5.11
Cc: Filip Kokosinski <[email protected]>
Cc: Mateusz Holenko <[email protected]>
Reviewed-by: Stafford Horne <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Signed-off-by: Johan Hovold <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
| -rw-r--r-- | drivers/tty/serial/liteuart.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/tty/serial/liteuart.c b/drivers/tty/serial/liteuart.c index f075f4ff5fcf..da792d0df790 100644 --- a/drivers/tty/serial/liteuart.c +++ b/drivers/tty/serial/liteuart.c @@ -295,6 +295,7 @@ static int liteuart_remove(struct platform_device *pdev) struct uart_port *port = platform_get_drvdata(pdev); struct liteuart_port *uart = to_liteuart_port(port); + uart_remove_one_port(&liteuart_driver, port); xa_erase(&liteuart_array, uart->id); return 0; |