| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <1339755732-23774-3-git-send-email-peter.ujfalusi@ti.com>
Date: Fri, 15 Jun 2012 13:22:12 +0300
From: Peter Ujfalusi <peter.ujfalusi@...com>
To: Dmitry Torokhov <dtor@...l.ru>
Cc: linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
peter.ujfalusi@...com
Subject: [PATCH 2/2] Input: twl6040-vibra: Code cleanup in probe with devm_* conversion
Convert the probe to use devm_*. At the same time reorder the calls
so we will register the input device as the last step when the driver
is loaded.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
---
drivers/input/misc/twl6040-vibra.c | 99 ++++++++++++++++-------------------
1 files changed, 45 insertions(+), 54 deletions(-)
diff --git a/drivers/input/misc/twl6040-vibra.c b/drivers/input/misc/twl6040-vibra.c
index e8f3f5f..488cb61 100644
--- a/drivers/input/misc/twl6040-vibra.c
+++ b/drivers/input/misc/twl6040-vibra.c
@@ -276,7 +276,7 @@ static int __devinit twl6040_vibra_probe(struct platform_device *pdev)
return -EINVAL;
}
- info = kzalloc(sizeof(*info), GFP_KERNEL);
+ info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
if (!info) {
dev_err(&pdev->dev, "couldn't allocate memory\n");
return -ENOMEM;
@@ -310,53 +310,23 @@ static int __devinit twl6040_vibra_probe(struct platform_device *pdev)
if ((!info->vibldrv_res && !info->viblmotor_res) ||
(!info->vibrdrv_res && !info->vibrmotor_res)) {
dev_err(info->dev, "invalid vibra driver/motor resistance\n");
- ret = -EINVAL;
- goto err_kzalloc;
+ return -EINVAL;
}
info->irq = platform_get_irq(pdev, 0);
if (info->irq < 0) {
dev_err(info->dev, "invalid irq\n");
- ret = -EINVAL;
- goto err_kzalloc;
+ return -EINVAL;
}
mutex_init(&info->mutex);
- info->input_dev = input_allocate_device();
- if (info->input_dev == NULL) {
- dev_err(info->dev, "couldn't allocate input device\n");
- ret = -ENOMEM;
- goto err_kzalloc;
- }
-
- input_set_drvdata(info->input_dev, info);
-
- info->input_dev->name = "twl6040:vibrator";
- info->input_dev->id.version = 1;
- info->input_dev->dev.parent = pdev->dev.parent;
- info->input_dev->close = twl6040_vibra_close;
- __set_bit(FF_RUMBLE, info->input_dev->ffbit);
-
- ret = input_ff_create_memless(info->input_dev, NULL, vibra_play);
- if (ret < 0) {
- dev_err(info->dev, "couldn't register vibrator to FF\n");
- goto err_ialloc;
- }
-
- ret = input_register_device(info->input_dev);
- if (ret < 0) {
- dev_err(info->dev, "couldn't register input device\n");
- goto err_iff;
- }
-
- platform_set_drvdata(pdev, info);
-
- ret = request_threaded_irq(info->irq, NULL, twl6040_vib_irq_handler, 0,
- "twl6040_irq_vib", info);
+ ret = devm_request_threaded_irq(&pdev->dev, info->irq, NULL,
+ twl6040_vib_irq_handler, 0,
+ "twl6040_irq_vib", info);
if (ret) {
dev_err(info->dev, "VIB IRQ request failed: %d\n", ret);
- goto err_irq;
+ return ret;
}
info->supplies[0].supply = "vddvibl";
@@ -374,7 +344,7 @@ static int __devinit twl6040_vibra_probe(struct platform_device *pdev)
info->supplies);
if (ret) {
dev_err(info->dev, "couldn't get regulators %d\n", ret);
- goto err_regulator;
+ return ret;
}
if (vddvibl_uV) {
@@ -383,7 +353,7 @@ static int __devinit twl6040_vibra_probe(struct platform_device *pdev)
if (ret) {
dev_err(info->dev, "failed to set VDDVIBL volt %d\n",
ret);
- goto err_voltage;
+ goto err_regulator;
}
}
@@ -393,7 +363,7 @@ static int __devinit twl6040_vibra_probe(struct platform_device *pdev)
if (ret) {
dev_err(info->dev, "failed to set VDDVIBR volt %d\n",
ret);
- goto err_voltage;
+ goto err_regulator;
}
}
@@ -401,26 +371,49 @@ static int __devinit twl6040_vibra_probe(struct platform_device *pdev)
if (info->workqueue == NULL) {
dev_err(info->dev, "couldn't create workqueue\n");
ret = -ENOMEM;
- goto err_voltage;
+ goto err_regulator;
}
INIT_WORK(&info->play_work, vibra_play_work);
+ info->input_dev = input_allocate_device();
+ if (info->input_dev == NULL) {
+ dev_err(info->dev, "couldn't allocate input device\n");
+ ret = -ENOMEM;
+ goto err_wq;
+ }
+
+ input_set_drvdata(info->input_dev, info);
+
+ info->input_dev->name = "twl6040:vibrator";
+ info->input_dev->id.version = 1;
+ info->input_dev->dev.parent = pdev->dev.parent;
+ info->input_dev->close = twl6040_vibra_close;
+ __set_bit(FF_RUMBLE, info->input_dev->ffbit);
+
+ ret = input_ff_create_memless(info->input_dev, NULL, vibra_play);
+ if (ret < 0) {
+ dev_err(info->dev, "couldn't register vibrator to FF\n");
+ goto err_ialloc;
+ }
+
+ ret = input_register_device(info->input_dev);
+ if (ret < 0) {
+ dev_err(info->dev, "couldn't register input device\n");
+ goto err_iff;
+ }
+
+ platform_set_drvdata(pdev, info);
+
return 0;
-err_voltage:
- regulator_bulk_free(ARRAY_SIZE(info->supplies), info->supplies);
-err_regulator:
- free_irq(info->irq, info);
-err_irq:
- input_unregister_device(info->input_dev);
- info->input_dev = NULL;
err_iff:
- if (info->input_dev)
- input_ff_destroy(info->input_dev);
+ input_ff_destroy(info->input_dev);
err_ialloc:
input_free_device(info->input_dev);
-err_kzalloc:
- kfree(info);
+err_wq:
+ destroy_workqueue(info->workqueue);
+err_regulator:
+ regulator_bulk_free(ARRAY_SIZE(info->supplies), info->supplies);
return ret;
}
@@ -429,10 +422,8 @@ static int __devexit twl6040_vibra_remove(struct platform_device *pdev)
struct vibra_info *info = platform_get_drvdata(pdev);
input_unregister_device(info->input_dev);
- free_irq(info->irq, info);
regulator_bulk_free(ARRAY_SIZE(info->supplies), info->supplies);
destroy_workqueue(info->workqueue);
- kfree(info);
return 0;
}
--
1.7.8.6
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists