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Code Issues Releases Wiki Activity

tty: serdev: core: Remove unused variable 'dummy'

Browse source 
No need to have a dummy variable here.

Fixes the following W=1 kernel build warning(s):

 drivers/tty/serdev/core.c: In function ‘serdev_controller_remove’:
 drivers/tty/serdev/core.c:791:6: warning: variable ‘dummy’ set but not used [-Wunused-but-set-variable]

Cc: Rob Herring <robh@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: linux-serial@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201104193549.4026187-2-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lee Jones 2020-11-04 19:35:14 +00:00 committed by Greg Kroah-Hartman
parent c35f638fc2
commit c0ed8ecb17
1 changed files with 1 additions and 4 deletions
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5
drivers/tty/serdev/core.c
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@ -788,13 +788,10 @@ static int serdev_remove_device(struct device *dev, void *data)
*/
void serdev_controller_remove(struct serdev_controller *ctrl)
{
int dummy;
if (!ctrl)
return;
dummy = device_for_each_child(&ctrl->dev, NULL,
serdev_remove_device);
device_for_each_child(&ctrl->dev, NULL, serdev_remove_device);
pm_runtime_disable(&ctrl->dev);
device_del(&ctrl->dev);
}