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Commit 810fda9b authored by tvboxspy's avatar tvboxspy Committed by Mauro Carvalho Chehab
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[media] [2/2,ver,1.90] DM04/QQBOX Reduce USB buffer size



Reduced unused buffer size to 64.

Signed-off-by: default avatarMalcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 95c21c41
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+8 −8
Original line number Diff line number Diff line
@@ -162,7 +162,7 @@ static int lme2510_usb_talk(struct dvb_usb_device *d,
	int ret = 0;

	if (st->usb_buffer == NULL) {
		st->usb_buffer = kmalloc(512, GFP_KERNEL);
		st->usb_buffer = kmalloc(64, GFP_KERNEL);
		if (st->usb_buffer == NULL) {
			info("MEM Error no memory");
			return -ENOMEM;
@@ -175,8 +175,8 @@ static int lme2510_usb_talk(struct dvb_usb_device *d,
	if (ret < 0)
		return -EAGAIN;

	/* the read/write capped at 512 */
	memcpy(buff, wbuf, (wlen > 512) ? 512 : wlen);
	/* the read/write capped at 64 */
	memcpy(buff, wbuf, (wlen < 64) ? wlen : 64);

	ret |= usb_clear_halt(d->udev, usb_sndbulkpipe(d->udev, 0x01));

@@ -186,8 +186,8 @@ static int lme2510_usb_talk(struct dvb_usb_device *d,

	ret |= usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x01));

	ret |= lme2510_bulk_read(d->udev, buff, (rlen > 512) ?
			512 : rlen , 0x01);
	ret |= lme2510_bulk_read(d->udev, buff, (rlen < 64) ?
			rlen : 64 , 0x01);

	if (rlen > 0)
		memcpy(rbuf, buff, rlen);
@@ -580,7 +580,7 @@ static int lme2510_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
{
	struct dvb_usb_device *d = i2c_get_adapdata(adap);
	struct lme2510_state *st = d->priv;
	static u8 obuf[64], ibuf[512];
	static u8 obuf[64], ibuf[64];
	int i, read, read_o;
	u16 len;
	u8 gate = st->i2c_gate;
@@ -621,7 +621,7 @@ static int lme2510_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
			len = msg[i].len+3;
		}

		if (lme2510_msg(d, obuf, len, ibuf, 512) < 0) {
		if (lme2510_msg(d, obuf, len, ibuf, 64) < 0) {
			deb_info(1, "i2c transfer failed.");
			return -EAGAIN;
		}
@@ -1312,5 +1312,5 @@ module_exit(lme2510_module_exit);

MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>");
MODULE_DESCRIPTION("LME2510(C) DVB-S USB2.0");
MODULE_VERSION("1.89");
MODULE_VERSION("1.90");
MODULE_LICENSE("GPL");