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carl9170: fix leaks at failure path in carl9170_usb_probe()

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carl9170_usb_probe() does not handle request_firmware_nowait() failure
that leads to several leaks in this case.
The patch adds all required deallocations.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Alexey Khoroshilov 2013-09-27 23:51:51 -04:00 committed by John W. Linville
parent b88bb291b2
commit 5c2b6078ce
1 changed files with 7 additions and 1 deletions
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8
drivers/net/wireless/ath/carl9170/usb.c
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@ -1076,8 +1076,14 @@ static int carl9170_usb_probe(struct usb_interface *intf,
carl9170_set_state(ar, CARL9170_STOPPED);
return request_firmware_nowait(THIS_MODULE, 1, CARL9170FW_NAME,
err = request_firmware_nowait(THIS_MODULE, 1, CARL9170FW_NAME,
&ar->udev->dev, GFP_KERNEL, ar, carl9170_usb_firmware_step2);
if (err) {
usb_put_dev(udev);
usb_put_dev(udev);
carl9170_free(ar);
}
return err;
}
static void carl9170_usb_disconnect(struct usb_interface *intf)