| 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
| ||
|
Date: Tue, 7 Aug 2012 16:51:05 +0530
From: Sachin Kamat <sachin.kamat@...aro.org>
To: linux-kernel@...r.kernel.org
Cc: amit.kachhap@...aro.org, dg77.kim@...sung.com,
guenter.roeck@...csson.com, akpm@...ux-foundation.org,
sachin.kamat@...aro.org, patches@...aro.org
Subject: [PATCH 3/3] thermal: Exynos: Use devm_* functions
devm_* functions are used to replace kzalloc, request_mem_region, ioremap
and request_irq functions in probe call. With the usage of devm_* functions
explicit freeing and unmapping is not required.
Signed-off-by: Sachin Kamat <sachin.kamat@...aro.org>
Signed-off-by: Sachin Kamat <sachin.kamat@...sung.com>
---
drivers/thermal/exynos_thermal.c | 51 +++++++------------------------------
1 files changed, 10 insertions(+), 41 deletions(-)
diff --git a/drivers/thermal/exynos_thermal.c b/drivers/thermal/exynos_thermal.c
index 3a7a068..86e4e9f 100644
--- a/drivers/thermal/exynos_thermal.c
+++ b/drivers/thermal/exynos_thermal.c
@@ -780,7 +780,9 @@ static int __devinit exynos_tmu_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "No platform init data supplied.\n");
return -ENODEV;
}
- data = kzalloc(sizeof(struct exynos_tmu_data), GFP_KERNEL);
+
+ data = devm_kzalloc(&pdev->dev, sizeof(struct exynos_tmu_data),
+ GFP_KERNEL);
if (!data) {
dev_err(&pdev->dev, "Failed to allocate driver structure\n");
return -ENOMEM;
@@ -788,47 +790,29 @@ static int __devinit exynos_tmu_probe(struct platform_device *pdev)
data->irq = platform_get_irq(pdev, 0);
if (data->irq < 0) {
- ret = data->irq;
dev_err(&pdev->dev, "Failed to get platform irq\n");
- goto err_free;
+ return data->irq;
}
INIT_WORK(&data->irq_work, exynos_tmu_work);
data->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!data->mem) {
- ret = -ENOENT;
- dev_err(&pdev->dev, "Failed to get platform resource\n");
- goto err_free;
- }
- data->mem = request_mem_region(data->mem->start,
- resource_size(data->mem), pdev->name);
- if (!data->mem) {
- ret = -ENODEV;
- dev_err(&pdev->dev, "Failed to request memory region\n");
- goto err_free;
- }
-
- data->base = ioremap(data->mem->start, resource_size(data->mem));
- if (!data->base) {
- ret = -ENODEV;
- dev_err(&pdev->dev, "Failed to ioremap memory\n");
- goto err_mem_region;
- }
+ data->base = devm_request_and_ioremap(&pdev->dev, data->mem);
+ if (!data->base)
+ return -ENODEV;
- ret = request_irq(data->irq, exynos_tmu_irq,
+ ret = devm_request_irq(&pdev->dev, data->irq, exynos_tmu_irq,
IRQF_TRIGGER_RISING, "exynos-tmu", data);
if (ret) {
dev_err(&pdev->dev, "Failed to request irq: %d\n", data->irq);
- goto err_io_remap;
+ return ret;
}
data->clk = clk_get(NULL, "tmu_apbif");
if (IS_ERR(data->clk)) {
- ret = PTR_ERR(data->clk);
dev_err(&pdev->dev, "Failed to get clock\n");
- goto err_irq;
+ return PTR_ERR(data->clk);
}
if (pdata->type == SOC_ARCH_EXYNOS5 ||
@@ -880,14 +864,6 @@ static int __devinit exynos_tmu_probe(struct platform_device *pdev)
err_clk:
platform_set_drvdata(pdev, NULL);
clk_put(data->clk);
-err_irq:
- free_irq(data->irq, data);
-err_io_remap:
- iounmap(data->base);
-err_mem_region:
- release_mem_region(data->mem->start, resource_size(data->mem));
-err_free:
- kfree(data);
return ret;
}
@@ -902,15 +878,8 @@ static int __devexit exynos_tmu_remove(struct platform_device *pdev)
clk_put(data->clk);
- free_irq(data->irq, data);
-
- iounmap(data->base);
- release_mem_region(data->mem->start, resource_size(data->mem));
-
platform_set_drvdata(pdev, NULL);
- kfree(data);
-
return 0;
}
--
1.7.4.1
--
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