diff options
| author | Jingoo Han <jg1.han@samsung.com> | 2013-04-30 13:59:48 +0900 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2013-07-11 20:52:30 +0200 |
| commit | a7960784e9ddd526e4fb791bc23e4fe6f039c28e (patch) | |
| tree | 42372443f2fca0d09d37414edb68226a224e0cab /drivers/watchdog/at32ap700x_wdt.c | |
| parent | 6d128e1e72bf082542e85f72e6b7ddd704193588 (diff) | |
watchdog: at32ap700x_wdt: use devm_*() functions
Use devm_*() functions to make cleanup paths simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/watchdog/at32ap700x_wdt.c')
| -rw-r--r-- | drivers/watchdog/at32ap700x_wdt.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/watchdog/at32ap700x_wdt.c b/drivers/watchdog/at32ap700x_wdt.c index 7a715e3e6828..c4cb5526112a 100644 --- a/drivers/watchdog/at32ap700x_wdt.c +++ b/drivers/watchdog/at32ap700x_wdt.c @@ -321,13 +321,14 @@ static int __init at32_wdt_probe(struct platform_device *pdev) return -ENXIO; } - wdt = kzalloc(sizeof(struct wdt_at32ap700x), GFP_KERNEL); + wdt = devm_kzalloc(&pdev->dev, sizeof(struct wdt_at32ap700x), + GFP_KERNEL); if (!wdt) { dev_dbg(&pdev->dev, "no memory for wdt structure\n"); return -ENOMEM; } - wdt->regs = ioremap(regs->start, resource_size(regs)); + wdt->regs = devm_ioremap(&pdev->dev, regs->start, resource_size(regs)); if (!wdt->regs) { ret = -ENOMEM; dev_dbg(&pdev->dev, "could not map I/O memory\n"); @@ -342,7 +343,7 @@ static int __init at32_wdt_probe(struct platform_device *pdev) dev_info(&pdev->dev, "CPU must be reset with external " "reset or POR due to silicon errata.\n"); ret = -EIO; - goto err_iounmap; + goto err_free; } else { wdt->users = 0; } @@ -375,10 +376,7 @@ static int __init at32_wdt_probe(struct platform_device *pdev) err_register: platform_set_drvdata(pdev, NULL); -err_iounmap: - iounmap(wdt->regs); err_free: - kfree(wdt); wdt = NULL; return ret; } @@ -391,8 +389,6 @@ static int __exit at32_wdt_remove(struct platform_device *pdev) at32_wdt_stop(); misc_deregister(&wdt->miscdev); - iounmap(wdt->regs); - kfree(wdt); wdt = NULL; platform_set_drvdata(pdev, NULL); } |