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authorMark Brown <broonie@opensource.wolfsonmicro.com>2011-12-15 02:23:19 +0800
committerWim Van Sebroeck <wim@iguana.be>2012-01-06 15:24:00 +0100
commit7b9bb6d8cfe80580329318caf6c3a137762ecea3 (patch)
tree22dcfd25e36c1a1f1317bfc15ce0db7f78a2f40e /drivers/watchdog
parentff0b3cd4a416bc727b0797b95b229b278d2a28f2 (diff)
watchdog: Convert wm831x driver to devm_kzalloc()
Saves a small amount of code and systematically eliminates leaks. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/watchdog')
-rw-r--r--drivers/watchdog/wm831x_wdt.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/watchdog/wm831x_wdt.c b/drivers/watchdog/wm831x_wdt.c
index 6cd1ba41b47..263c883f080 100644
--- a/drivers/watchdog/wm831x_wdt.c
+++ b/drivers/watchdog/wm831x_wdt.c
@@ -199,7 +199,8 @@ static int __devinit wm831x_wdt_probe(struct platform_device *pdev)
if (reg & WM831X_WDOG_DEBUG)
dev_warn(wm831x->dev, "Watchdog is paused\n");
- driver_data = kzalloc(sizeof(*driver_data), GFP_KERNEL);
+ driver_data = devm_kzalloc(&pdev->dev, sizeof(*driver_data),
+ GFP_KERNEL);
if (!driver_data) {
dev_err(wm831x->dev, "Unable to alloacate watchdog device\n");
ret = -ENOMEM;
@@ -250,7 +251,7 @@ static int __devinit wm831x_wdt_probe(struct platform_device *pdev)
dev_err(wm831x->dev,
"Failed to request update GPIO: %d\n",
ret);
- goto err_alloc;
+ goto err;
}
ret = gpio_direction_output(pdata->update_gpio, 0);
@@ -292,8 +293,6 @@ static int __devinit wm831x_wdt_probe(struct platform_device *pdev)
err_gpio:
if (driver_data->update_gpio)
gpio_free(driver_data->update_gpio);
-err_alloc:
- kfree(driver_data);
err:
return ret;
}