staging: gdm7240: fix memory leak on failure path
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@ispras.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -541,7 +541,7 @@ static int gdm_mux_probe(struct usb_interface *intf, const struct usb_device_id
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ret = init_usb(mux_dev);
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if (ret)
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goto err_free_tty;
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goto err_free_usb;
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tty_dev->priv_dev = (void *)mux_dev;
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tty_dev->send_func = gdm_mux_send;
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@ -565,8 +565,8 @@ static int gdm_mux_probe(struct usb_interface *intf, const struct usb_device_id
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err_unregister_tty:
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unregister_lte_tty_device(tty_dev);
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err_free_usb:
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release_usb(mux_dev);
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err_free_tty:
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kfree(tty_dev);
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err_free_mux:
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kfree(mux_dev);
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