1 files changed, 5 insertions, 6 deletions

diff --git a/drivers/media/video/cx231xx/cx231xx-i2c.c b/drivers/media/video/cx231xx/cx231xx-i2c.c
index 58d9cc0867b9..835670623dfb 100644
--- a/drivers/media/video/cx231xx/cx231xx-i2c.c
+++ b/drivers/media/video/cx231xx/cx231xx-i2c.c
@@ -359,7 +359,7 @@ static int cx231xx_i2c_xfer(struct i2c_adapter *i2c_adap,
 
         if (num <= 0)
                 return 0;
-
+        mutex_lock(&dev->i2c_lock);
         for (i = 0; i < num; i++) {
 
                 addr = msgs[i].addr >> 1;
@@ -372,6 +372,7 @@ static int cx231xx_i2c_xfer(struct i2c_adapter *i2c_adap,
                         rc = cx231xx_i2c_check_for_device(i2c_adap, &msgs[i]);
                         if (rc < 0) {
                                 dprintk2(2, " no device\n");
+                                mutex_unlock(&dev->i2c_lock);
                                 return rc;
                         }
 
@@ -384,7 +385,7 @@ static int cx231xx_i2c_xfer(struct i2c_adapter *i2c_adap,
                         }
                 } else if (i + 1 < num && (msgs[i + 1].flags & I2C_M_RD) &&
                            msgs[i].addr == msgs[i + 1].addr
-                           && (msgs[i].len <= 2) && (bus->nr < 2)) {
+                           && (msgs[i].len <= 2) && (bus->nr < 3)) {
                         /* read bytes */
                         rc = cx231xx_i2c_recv_bytes_with_saddr(i2c_adap,
                                                                &msgs[i],
@@ -407,10 +408,11 @@ static int cx231xx_i2c_xfer(struct i2c_adapter *i2c_adap,
                 if (i2c_debug >= 2)
                         printk("\n");
         }
-
+        mutex_unlock(&dev->i2c_lock);
         return num;
 err:
         dprintk2(2, " ERROR: %i\n", rc);
+        mutex_unlock(&dev->i2c_lock);
         return rc;
 }
 
@@ -507,9 +509,6 @@ int cx231xx_i2c_register(struct cx231xx_i2c *bus)
         if (0 == bus->i2c_rc) {
                 if (i2c_scan)
                         cx231xx_do_i2c_scan(dev, &bus->i2c_client);
-
-                /* Instantiate the IR receiver device, if present */
-                cx231xx_register_i2c_ir(dev);
         } else
                 cx231xx_warn("%s: i2c bus %d register FAILED\n",
                              dev->name, bus->nr);