On 02/26/14 16:09, Josh Cartwright wrote:

On Wed, Feb 26, 2014 at 11:05:55AM -0800, Stephen Boyd wrote:

quoted

Simplify the error paths and reduce the lines of code in this
driver by using the devm_* APIs.

Signed-off-by: Stephen Boyd <redacted>
---
 drivers/input/keyboard/pmic8xxx-keypad.c | 62 +++++++++-----------------------
 1 file changed, 17 insertions(+), 45 deletions(-)

diff --git a/drivers/input/keyboard/pmic8xxx-keypad.c b/drivers/input/keyboard/pmic8xxx-keypad.c
index 2c9f19ac35ea..4e6bfbf94ae4 100644
--- a/drivers/input/keyboard/pmic8xxx-keypad.c
+++ b/drivers/input/keyboard/pmic8xxx-keypad.c

[..]

quoted

@@ -634,7 +629,7 @@ static int pmic8xxx_kp_probe(struct platform_device *pdev)
 					kp->keycodes, kp->input);
 	if (rc) {
 		dev_err(&pdev->dev, "failed to build keymap\n");
-		goto err_get_irq;
+		return rc;
 	}
 
 	if (pdata->rep)

@@ -650,7 +645,7 @@ static int pmic8xxx_kp_probe(struct platform_device *pdev)
 	rc = pmic8xxx_kpd_init(kp);
 	if (rc < 0) {
 		dev_err(&pdev->dev, "unable to initialize keypad controller\n");
-		goto err_get_irq;
+		return rc;
 	}
 
 	rc = pmic8xxx_kp_config_gpio(pdata->cols_gpio_start,

@@ -667,24 +662,26 @@ static int pmic8xxx_kp_probe(struct platform_device *pdev)
 		goto err_gpio_config;

See below.

quoted

 	}
 
-	rc = request_any_context_irq(kp->key_sense_irq, pmic8xxx_kp_irq,
-				 IRQF_TRIGGER_RISING, "pmic-keypad", kp);
+	rc = devm_request_any_context_irq(&pdev->dev, kp->key_sense_irq,
+			pmic8xxx_kp_irq, IRQF_TRIGGER_RISING, "pmic-keypad",
+			kp);
 	if (rc < 0) {
 		dev_err(&pdev->dev, "failed to request keypad sense irq\n");
-		goto err_get_irq;
+		return rc;
 	}
 
-	rc = request_any_context_irq(kp->key_stuck_irq, pmic8xxx_kp_stuck_irq,
-				 IRQF_TRIGGER_RISING, "pmic-keypad-stuck", kp);
+	rc = devm_request_any_context_irq(&pdev->dev, kp->key_stuck_irq,
+			pmic8xxx_kp_stuck_irq, IRQF_TRIGGER_RISING,
+			"pmic-keypad-stuck", kp);
 	if (rc < 0) {
 		dev_err(&pdev->dev, "failed to request keypad stuck irq\n");
-		goto err_req_stuck_irq;
+		return rc;
 	}
 
 	rc = pmic8xxx_kp_read_u8(kp, &ctrl_val, KEYP_CTRL);
 	if (rc < 0) {
 		dev_err(&pdev->dev, "failed to read KEYP_CTRL register\n");
-		goto err_pmic_reg_read;
+		return rc;
 	}
 
 	kp->ctrl_reg = ctrl_val;

@@ -692,36 +689,12 @@ static int pmic8xxx_kp_probe(struct platform_device *pdev)
 	rc = input_register_device(kp->input);
 	if (rc < 0) {
 		dev_err(&pdev->dev, "unable to register keypad input device\n");
-		goto err_pmic_reg_read;
+		return rc;
 	}
 
 	device_init_wakeup(&pdev->dev, pdata->wakeup);
 
 	return 0;
-
-err_pmic_reg_read:
-	free_irq(kp->key_stuck_irq, kp);
-err_req_stuck_irq:
-	free_irq(kp->key_sense_irq, kp);
-err_gpio_config:

You're removing this label, even though it's still used above. :(

Ah, thanks. Will fix.

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