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* [PATCH] Input: Remove unneeded variable
@ 2022-04-19  6:42 cgel.zte
  2022-04-20 20:56 ` Dmitry Torokhov
  0 siblings, 1 reply; 3+ messages in thread
From: cgel.zte @ 2022-04-19  6:42 UTC (permalink / raw)
  To: dmitry.torokhov; +Cc: linux-input, linux-kernel, Changcheng Deng, Zeal Robot

From: Changcheng Deng <deng.changcheng@zte.com.cn>

Remove unneeded variable used to store return value.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Changcheng Deng <deng.changcheng@zte.com.cn>
---
 drivers/input/input.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/input/input.c b/drivers/input/input.c
index e5a668ce884d..1365c9dfb5f2 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -1793,8 +1793,6 @@ EXPORT_SYMBOL(input_reset_device);
 
 static int input_inhibit_device(struct input_dev *dev)
 {
-	int ret = 0;
-
 	mutex_lock(&dev->mutex);
 
 	if (dev->inhibited)
@@ -1816,7 +1814,7 @@ static int input_inhibit_device(struct input_dev *dev)
 
 out:
 	mutex_unlock(&dev->mutex);
-	return ret;
+	return 0;
 }
 
 static int input_uninhibit_device(struct input_dev *dev)
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] Input: Remove unneeded variable
  2022-04-19  6:42 [PATCH] Input: Remove unneeded variable cgel.zte
@ 2022-04-20 20:56 ` Dmitry Torokhov
  0 siblings, 0 replies; 3+ messages in thread
From: Dmitry Torokhov @ 2022-04-20 20:56 UTC (permalink / raw)
  To: cgel.zte; +Cc: linux-input, linux-kernel, Changcheng Deng, Zeal Robot

Ov> HID-over-I2C devices might reset on their own. Any device configuration
> applied before the reset might be brought back to defaults so we need to
> reconfigure to make sure the driver state is consistent.
> 
> Add a reset callback to the hid driver structure.
> Issue it if the driver implements it and the device reset gets observed.
> 
> Signed-off-by: Angela Czubak <acz@semihalf.com>

Applied, thank you.

-- 
Dmitry

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [PATCH] Input: Remove unneeded variable
@ 2021-02-25  9:18 angkery
  0 siblings, 0 replies; 3+ messages in thread
From: angkery @ 2021-02-25  9:18 UTC (permalink / raw)
  To: dmitry.torokhov; +Cc: linux-input, linux-kernel, Junlin Yang

From: Junlin Yang <yangjunlin@yulong.com>

The variable "ret" is initialized to zero and then returned.
So remove the ret variable and return zero.

Generated by:scripts/coccinelle/misc/returnvar.cocci

Signed-off-by: Junlin Yang <yangjunlin@yulong.com>
---
 drivers/input/input.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/input/input.c b/drivers/input/input.c
index ccaeb24..8cdc3fe 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -1746,8 +1746,6 @@ void input_reset_device(struct input_dev *dev)
 
 static int input_inhibit_device(struct input_dev *dev)
 {
-	int ret = 0;
-
 	mutex_lock(&dev->mutex);
 
 	if (dev->inhibited)
@@ -1769,7 +1767,7 @@ static int input_inhibit_device(struct input_dev *dev)
 
 out:
 	mutex_unlock(&dev->mutex);
-	return ret;
+	return 0;
 }
 
 static int input_uninhibit_device(struct input_dev *dev)
-- 
1.9.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2022-04-20 20:56 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2022-04-19  6:42 [PATCH] Input: Remove unneeded variable cgel.zte
2022-04-20 20:56 ` Dmitry Torokhov
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2021-02-25  9:18 angkery

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