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| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2020-11-26 10:23:30 +0300 |
|---|---|---|
| committer | Wolfram Sang <wsa@kernel.org> | 2020-12-11 17:42:19 +0300 |
| commit | 71637c620a826434ca6f888b0364a036faa27ffa (patch) | |
| tree | 530569854bc82a20f1161198d9c714fb5299ce01 /drivers/i2c/i2c-core-base.c | |
| parent | bfbccd70eee93c059e22d0d233f57cc164f03687 (diff) | |
| download | linux-71637c620a826434ca6f888b0364a036faa27ffa.tar.xz | |
i2c: Warn when device removing fails
The driver core ignores the return value of struct bus_type::remove. So
warn if there is an error that went unnoticed before and return 0
unconditionally in i2c_device_remove().
This prepares changing struct bus_type::remove to return void.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
[wsa: added a comment and removed unneeded initializtion]
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'drivers/i2c/i2c-core-base.c')
| -rw-r--r-- | drivers/i2c/i2c-core-base.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index 573b5da145d1..6528d9e8f3ae 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -551,15 +551,19 @@ static int i2c_device_remove(struct device *dev) { struct i2c_client *client = i2c_verify_client(dev); struct i2c_driver *driver; - int status = 0; if (!client || !dev->driver) return 0; driver = to_i2c_driver(dev->driver); if (driver->remove) { + int status; + dev_dbg(dev, "remove\n"); + status = driver->remove(client); + if (status) + dev_warn(dev, "remove failed (%pe), will be ignored\n", ERR_PTR(status)); } dev_pm_domain_detach(&client->dev, true); @@ -571,7 +575,8 @@ static int i2c_device_remove(struct device *dev) if (client->flags & I2C_CLIENT_HOST_NOTIFY) pm_runtime_put(&client->adapter->dev); - return status; + /* return always 0 because there is WIP to make remove-functions void */ + return 0; } static void i2c_device_shutdown(struct device *dev) |