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net: hso: bail out on interrupt URB allocation failure

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commit 4d52ebc7ac upstream.

Commit 31db0dbd72 ("net: hso: check for allocation failure in
hso_create_bulk_serial_device()") recently started returning an error
when the driver fails to allocate resources for the interrupt endpoint
and tiocmget functionality.

For consistency let's bail out from probe also if the URB allocation
fails.

Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2021-05-19 14:47:17 +02:00 • committed by Greg Kroah-Hartman
commit c1febac448
1 changed files with 7 additions and 7 deletions
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14
drivers/net/usb/hso.c
View file

@ -2635,14 +2635,14 @@ static struct hso_device *hso_create_bulk_serial_device(
}
tiocmget->urb = usb_alloc_urb(0, GFP_KERNEL);
if (tiocmget->urb) {
mutex_init(&tiocmget->mutex);
init_waitqueue_head(&tiocmget->waitq);
} else
hso_free_tiomget(serial);
}
else
if (!tiocmget->urb)
goto exit;
mutex_init(&tiocmget->mutex);
init_waitqueue_head(&tiocmget->waitq);
} else {
num_urbs = 1;
}
if (hso_serial_common_create(serial, num_urbs, BULK_URB_RX_SIZE,
BULK_URB_TX_SIZE))