diff options
| author | Jean Delvare | 2010-07-18 22:05:17 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab | 2010-08-09 04:42:54 +0200 |
| commit | 18a87becf85d50e7f3d547f1b7a75108b151374d (patch) | |
| tree | 77fdcc6152e3e749d54a1a000eedaa70af60c567 /drivers/media | |
| parent | V4L/DVB: cx23885: Check for slave nack on all transactions (diff) | |
| download | kernel-qcow2-linux-18a87becf85d50e7f3d547f1b7a75108b151374d.tar.gz kernel-qcow2-linux-18a87becf85d50e7f3d547f1b7a75108b151374d.tar.xz kernel-qcow2-linux-18a87becf85d50e7f3d547f1b7a75108b151374d.zip | |
V4L/DVB: cx23885: i2c_wait_done returns 0 or 1, don't check for < 0 return value
Function i2c_wait_done() never returns negative values, so there is no
point in checking for them.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-i2c.c | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/drivers/media/video/cx23885/cx23885-i2c.c b/drivers/media/video/cx23885/cx23885-i2c.c index afb8d6f91d14..1a391486e551 100644 --- a/drivers/media/video/cx23885/cx23885-i2c.c +++ b/drivers/media/video/cx23885/cx23885-i2c.c @@ -120,10 +120,7 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap, cx_write(bus->reg_wdata, wdata); cx_write(bus->reg_ctrl, ctrl); - retval = i2c_wait_done(i2c_adap); - if (retval < 0) - goto err; - if (retval == 0) + if (!i2c_wait_done(i2c_adap)) goto eio; if (!i2c_slave_did_ack(i2c_adap)) { retval = -ENXIO; @@ -149,10 +146,7 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap, cx_write(bus->reg_wdata, wdata); cx_write(bus->reg_ctrl, ctrl); - retval = i2c_wait_done(i2c_adap); - if (retval < 0) - goto err; - if (retval == 0) + if (!i2c_wait_done(i2c_adap)) goto eio; if (i2c_debug) { dprintk(1, " %02x", msg->buf[cnt]); @@ -213,10 +207,7 @@ static int i2c_readbytes(struct i2c_adapter *i2c_adap, cx_write(bus->reg_addr, msg->addr << 25); cx_write(bus->reg_ctrl, ctrl); - retval = i2c_wait_done(i2c_adap); - if (retval < 0) - goto err; - if (retval == 0) + if (!i2c_wait_done(i2c_adap)) goto eio; if (cnt == 0 && !i2c_slave_did_ack(i2c_adap)) { retval = -ENXIO; |