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| author | Jean Delvare <khali@linux-fr.org> | 2006-09-03 22:19:25 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-09-26 15:38:51 -0700 |
| commit | b32d20dc8b187e03605f091dbde9a78676a2a642 (patch) | |
| tree | 893976c1632c6b99ed3f7f510bb34f2a846cea9e /drivers/i2c/i2c-dev.c | |
| parent | 7a8d29cec7a53cf1a29dc5055aa9d1fa0f95830f (diff) | |
| download | lwn-b32d20dc8b187e03605f091dbde9a78676a2a642.tar.gz lwn-b32d20dc8b187e03605f091dbde9a78676a2a642.zip | |
i2c-dev: attach/detach_adapter cleanups
i2c-dev: attach/detach_adapter cleanups
* Only print that an adapter was attached when it succeeds.
* i2c_dev == NULL on detach simply means that the attach failed
before, this isn't an error per se.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/i2c/i2c-dev.c')
| -rw-r--r-- | drivers/i2c/i2c-dev.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c index 567fb05aeccc..3f869033ed70 100644 --- a/drivers/i2c/i2c-dev.c +++ b/drivers/i2c/i2c-dev.c @@ -412,9 +412,6 @@ static int i2cdev_attach_adapter(struct i2c_adapter *adap) if (IS_ERR(i2c_dev)) return PTR_ERR(i2c_dev); - pr_debug("i2c-dev: adapter [%s] registered as minor %d\n", - adap->name, adap->nr); - /* register this i2c device with the driver core */ i2c_dev->class_dev = class_device_create(i2c_dev_class, NULL, MKDEV(I2C_MAJOR, adap->nr), @@ -427,6 +424,9 @@ static int i2cdev_attach_adapter(struct i2c_adapter *adap) res = class_device_create_file(i2c_dev->class_dev, &class_device_attr_name); if (res) goto error_destroy; + + pr_debug("i2c-dev: adapter [%s] registered as minor %d\n", + adap->name, adap->nr); return 0; error_destroy: class_device_destroy(i2c_dev_class, MKDEV(I2C_MAJOR, adap->nr)); @@ -441,8 +441,8 @@ static int i2cdev_detach_adapter(struct i2c_adapter *adap) struct i2c_dev *i2c_dev; i2c_dev = i2c_dev_get_by_minor(adap->nr); - if (!i2c_dev) - return -ENODEV; + if (!i2c_dev) /* attach_adapter must have failed */ + return 0; class_device_remove_file(i2c_dev->class_dev, &class_device_attr_name); return_i2c_dev(i2c_dev); |