diff options
| author | tvboxspy <tvboxspy@gmail.com> | 2011-09-11 19:30:10 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-09-21 16:55:30 -0300 |
| commit | 810fda9bccc6513856346a9a714cf951d569cd35 (patch) | |
| tree | e90f57b1a8b11c2a284dc77698272656f4cdc8f9 | |
| parent | 95c21c4158cc8b5a2920ccbe989b17b6f955d976 (diff) | |
[media] [2/2,ver,1.90] DM04/QQBOX Reduce USB buffer size
Reduced unused buffer size to 64.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| -rw-r--r-- | drivers/media/dvb/dvb-usb/lmedm04.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/media/dvb/dvb-usb/lmedm04.c b/drivers/media/dvb/dvb-usb/lmedm04.c index 5fdeed1d3c61..b9228240f5ce 100644 --- a/drivers/media/dvb/dvb-usb/lmedm04.c +++ b/drivers/media/dvb/dvb-usb/lmedm04.c @@ -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"); |