init_usb() may fail after some of mux_rxes already allocated. So we need to release them on the failure path. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@xxxxxxxxx> --- drivers/staging/gdm724x/gdm_mux.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/gdm724x/gdm_mux.c b/drivers/staging/gdm724x/gdm_mux.c index 5221cf9..69813c7 100644 --- a/drivers/staging/gdm724x/gdm_mux.c +++ b/drivers/staging/gdm724x/gdm_mux.c @@ -541,7 +541,7 @@ static int gdm_mux_probe(struct usb_interface *intf, const struct usb_device_id ret = init_usb(mux_dev); if (ret) - goto err_free_tty; + goto err_free_usb; tty_dev->priv_dev = (void *)mux_dev; tty_dev->send_func = gdm_mux_send; @@ -565,8 +565,8 @@ static int gdm_mux_probe(struct usb_interface *intf, const struct usb_device_id err_unregister_tty: unregister_lte_tty_device(tty_dev); +err_free_usb: release_usb(mux_dev); -err_free_tty: kfree(tty_dev); err_free_mux: kfree(mux_dev); -- 1.8.1.2 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel