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>

diff --git a/drivers/media/video/cx23885/cx23885-i2c.c b/drivers/media/video/cx23885/cx23885-i2c.c
index afb8d6f..1a39148 100644 (file)
--- 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;