diff mbox series

[2/3] Input: elants_i2c - Make use of the helper function devm_add_action_or_reset()

Message ID 20210922125212.95-2-caihuoqing@baidu.com (mailing list archive)
State Accepted
Commit b083704fbf6cea21a187a99f6dae20fbca86b44e
Headers show
Series [1/3] Input: colibri-vf50-ts - Make use of the helper function devm_add_action_or_reset() | expand

Commit Message

Cai,Huoqing Sept. 22, 2021, 12:52 p.m. UTC
The helper function devm_add_action_or_reset() will internally
call devm_add_action(), and if devm_add_action() fails then it will
execute the action mentioned and return the error code. So
use devm_add_action_or_reset() instead of devm_add_action()
to simplify the error handling, reduce the code.

Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
---
 drivers/input/touchscreen/elants_i2c.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Dmitry Torokhov Sept. 23, 2021, 4:49 a.m. UTC | #1
On Wed, Sep 22, 2021 at 08:52:10PM +0800, Cai Huoqing wrote:
> The helper function devm_add_action_or_reset() will internally
> call devm_add_action(), and if devm_add_action() fails then it will
> execute the action mentioned and return the error code. So
> use devm_add_action_or_reset() instead of devm_add_action()
> to simplify the error handling, reduce the code.
> 
> Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>

Applied, thank you.
diff mbox series

Patch

diff --git a/drivers/input/touchscreen/elants_i2c.c b/drivers/input/touchscreen/elants_i2c.c
index 68f542bb809f..dd6adddb2463 100644
--- a/drivers/input/touchscreen/elants_i2c.c
+++ b/drivers/input/touchscreen/elants_i2c.c
@@ -1439,11 +1439,10 @@  static int elants_i2c_probe(struct i2c_client *client)
 	if (error)
 		return error;
 
-	error = devm_add_action(&client->dev, elants_i2c_power_off, ts);
+	error = devm_add_action_or_reset(&client->dev, elants_i2c_power_off, ts);
 	if (error) {
 		dev_err(&client->dev,
 			"failed to install power off action: %d\n", error);
-		elants_i2c_power_off(ts);
 		return error;
 	}