diff options
Diffstat (limited to 'drivers/w1/slaves/w1_bq27000.c')
| -rw-r--r-- | drivers/w1/slaves/w1_bq27000.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/w1/slaves/w1_bq27000.c b/drivers/w1/slaves/w1_bq27000.c index 52ad812fa1e..afbefed5f2c 100644 --- a/drivers/w1/slaves/w1_bq27000.c +++ b/drivers/w1/slaves/w1_bq27000.c @@ -31,10 +31,10 @@ static int w1_bq27000_read(struct device *dev, unsigned int reg) u8 val; struct w1_slave *sl = container_of(dev->parent, struct w1_slave, dev); - mutex_lock(&sl->master->mutex); + mutex_lock(&sl->master->bus_mutex); w1_write_8(sl->master, HDQ_CMD_READ | reg); val = w1_read_8(sl->master); - mutex_unlock(&sl->master->mutex); + mutex_unlock(&sl->master->bus_mutex); return val; } @@ -57,6 +57,8 @@ static int w1_bq27000_add_slave(struct w1_slave *sl) ret = platform_device_add_data(pdev, &bq27000_battery_info, sizeof(bq27000_battery_info)); + if (ret) + goto pdev_add_failed; pdev->dev.parent = &sl->dev; ret = platform_device_add(pdev); @@ -68,7 +70,7 @@ static int w1_bq27000_add_slave(struct w1_slave *sl) goto success; pdev_add_failed: - platform_device_unregister(pdev); + platform_device_put(pdev); success: return ret; } |