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Commit 884bfd08 authored by Sean Young's avatar Sean Young Committed by Mauro Carvalho Chehab
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[media] iguanair: fix return value for transmit 



Also fix error codes returned from open.

Signed-off-by: default avatarSean Young <sean@mess.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 7c0bd96b

drivers/media/rc/iguanair.c

+18 −12
Original line number Diff line number Diff line
@@ -327,7 +327,7 @@ static int iguanair_tx(struct rc_dev *dev, unsigned *txbuf, unsigned count) 
{

	struct iguanair *ir = dev->priv;

	uint8_t space, *payload;

	unsigned i, size, rc;

	unsigned i, size, rc, bytes;

	struct send_packet *packet;



	mutex_lock(&ir->lock);
@@ -335,17 +335,22 @@ static int iguanair_tx(struct rc_dev *dev, unsigned *txbuf, unsigned count) 
	/* convert from us to carrier periods */

	for (i = size = 0; i < count; i++) {

		txbuf[i] = DIV_ROUND_CLOSEST(txbuf[i] * ir->carrier, 1000000);

		size += (txbuf[i] + 126) / 127;

		bytes = (txbuf[i] + 126) / 127;

		if (size + bytes > ir->bufsize) {

			count = i;

			break;

		}

		size += bytes;

	}



	packet = kmalloc(sizeof(*packet) + size, GFP_KERNEL);

	if (!packet) {

		rc = -ENOMEM;

	if (count == 0) {

		rc = -EINVAL;

		goto out;

	}



	if (size > ir->bufsize) {

		rc = -E2BIG;

	packet = kmalloc(sizeof(*packet) + size, GFP_KERNEL);

	if (!packet) {

		rc = -ENOMEM;

		goto out;

	}
@@ -376,7 +381,7 @@ static int iguanair_tx(struct rc_dev *dev, unsigned *txbuf, unsigned count) 
		rc = iguanair_receiver(ir, false);

		if (rc) {

			dev_warn(ir->dev, "disable receiver before transmit failed\n");

			goto out;

			goto out_kfree;

		}

	}
@@ -392,11 +397,12 @@ static int iguanair_tx(struct rc_dev *dev, unsigned *txbuf, unsigned count) 
			dev_warn(ir->dev, "re-enable receiver after transmit failed\n");

	}



out_kfree:

	kfree(packet);

out:

	mutex_unlock(&ir->lock);

	kfree(packet);



	return rc;

	return rc ? rc : count;

}



static int iguanair_open(struct rc_dev *rdev)
@@ -444,7 +450,7 @@ static int __devinit iguanair_probe(struct usb_interface *intf, 
	ir = kzalloc(sizeof(*ir), GFP_KERNEL);

	rc = rc_allocate_device();

	if (!ir || !rc) {

		ret = ENOMEM;

		ret = -ENOMEM;

		goto out;

	}
@@ -453,7 +459,7 @@ static int __devinit iguanair_probe(struct usb_interface *intf, 
	ir->urb_in = usb_alloc_urb(0, GFP_KERNEL);



	if (!ir->buf_in || !ir->urb_in) {

		ret = ENOMEM;

		ret = -ENOMEM;

		goto out;

	}