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| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2021-06-21 18:12:44 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-06-24 15:49:32 +0200 |
| commit | ae128916fb87a91ae41bec0461330e8a81500d84 (patch) | |
| tree | fda93e54e2407f6e00b979aec1defd3ff2579285 /drivers/hwtracing | |
| parent | d0b371e5fba0ef2b4e3f6a3f1b5fe7f8bd97897e (diff) | |
| download | linux-ae128916fb87a91ae41bec0461330e8a81500d84.tar.bz2 | |
intel_th: Remove an unused exit point from intel_th_remove()
As described in the added comment device_for_each_child() never returns
a non-zero value. So remove the corresponding error check.
This simplifies the quest to make struct bus_type::remove() return void.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Link: https://lore.kernel.org/r/20210621151246.31891-3-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing')
| -rw-r--r-- | drivers/hwtracing/intel_th/core.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th/core.c index 24d0c974bfd5..4bf025ef2031 100644 --- a/drivers/hwtracing/intel_th/core.c +++ b/drivers/hwtracing/intel_th/core.c @@ -100,16 +100,18 @@ static int intel_th_remove(struct device *dev) struct intel_th_driver *thdrv = to_intel_th_driver(dev->driver); struct intel_th_device *thdev = to_intel_th_device(dev); struct intel_th_device *hub = to_intel_th_hub(thdev); - int err; if (thdev->type == INTEL_TH_SWITCH) { struct intel_th *th = to_intel_th(hub); int i, lowest; - /* disconnect outputs */ - err = device_for_each_child(dev, thdev, intel_th_child_remove); - if (err) - return err; + /* + * disconnect outputs + * + * intel_th_child_remove returns 0 unconditionally, so there is + * no need to check the return value of device_for_each_child. + */ + device_for_each_child(dev, thdev, intel_th_child_remove); /* * Remove outputs, that is, hub's children: they are created |