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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>
This commit is contained in:
Alexey Khoroshilov 2013-10-09 00:50:16 +04:00 committed by Greg Kroah-Hartman
parent a4d8c83cb5
commit 47052577bc
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/gdm724x/gdm_mux.c
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@ -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);