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authortvboxspy <tvboxspy@gmail.com>2011-09-11 19:30:10 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-09-21 16:55:30 -0300
commit810fda9bccc6513856346a9a714cf951d569cd35 (patch)
treee90f57b1a8b11c2a284dc77698272656f4cdc8f9
parent95c21c4158cc8b5a2920ccbe989b17b6f955d976 (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.c16
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");

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