watchdog: Remove unnecessary OOM messages

The site-specific OOM messages are unnecessary, because they
duplicate the MM subsystem generic OOM message. For example,
k.alloc and v.alloc failures use dump_stack().
Signed-off-by: NJingoo Han <jg1.han@samsung.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de> [for at32ap700x]
Acked-by: Lubomir Rintel <lkundrak@v3.sk> [for bcm2835]
Acked-by: Viresh Kumar <viresh.kumar@linaro.org> [for sp805_wdt]
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> [for ts72xx_wdt]
Reviewed-by: NGuenter Roeck <linux@roeck-us.net>
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>

drivers/watchdog/at32ap700x_wdt.c

@@ -323,10 +323,8 @@ static int __init at32_wdt_probe(struct platform_device *pdev)
 
 	wdt = devm_kzalloc(&pdev->dev, sizeof(struct wdt_at32ap700x),
 			GFP_KERNEL);
-	if (!wdt) {
-		dev_dbg(&pdev->dev, "no memory for wdt structure\n");
+	if (!wdt)
 		return -ENOMEM;
-	}
 
 	wdt->regs = devm_ioremap(&pdev->dev, regs->start, resource_size(regs));
 	if (!wdt->regs) {

drivers/watchdog/bcm2835_wdt.c

@@ -114,10 +114,8 @@ static int bcm2835_wdt_probe(struct platform_device *pdev)
 	int err;
 
 	wdt = devm_kzalloc(dev, sizeof(struct bcm2835_wdt), GFP_KERNEL);
-	if (!wdt) {
-		dev_err(dev, "Failed to allocate memory for watchdog device");
+	if (!wdt)
 		return -ENOMEM;
-	}
 	platform_set_drvdata(pdev, wdt);
 
 	spin_lock_init(&wdt->lock);

drivers/watchdog/da9052_wdt.c

@@ -185,7 +185,6 @@ static int da9052_wdt_probe(struct platform_device *pdev)
 	driver_data = devm_kzalloc(&pdev->dev, sizeof(*driver_data),
 				   GFP_KERNEL);
 	if (!driver_data) {
-		dev_err(da9052->dev, "Unable to alloacate watchdog device\n");
 		ret = -ENOMEM;
 		goto err;
 	}

drivers/watchdog/da9055_wdt.c

@@ -151,10 +151,8 @@ static int da9055_wdt_probe(struct platform_device *pdev)
 
 	driver_data = devm_kzalloc(&pdev->dev, sizeof(*driver_data),
 				   GFP_KERNEL);
-	if (!driver_data) {
-		dev_err(da9055->dev, "Failed to allocate watchdog device\n");
+	if (!driver_data)
 		return -ENOMEM;
-	}
 
 	driver_data->da9055 = da9055;
 

drivers/watchdog/pcwd_usb.c

@@ -645,10 +645,8 @@ static int usb_pcwd_probe(struct usb_interface *interface,
 
 	/* allocate memory for our device and initialize it */
 	usb_pcwd = kzalloc(sizeof(struct usb_pcwd_private), GFP_KERNEL);
-	if (usb_pcwd == NULL) {
-		pr_err("Out of memory\n");
+	if (usb_pcwd == NULL)
 		goto error;
-	}
 
 	usb_pcwd_device = usb_pcwd;
 

drivers/watchdog/sp805_wdt.c

@@ -217,7 +217,6 @@ sp805_wdt_probe(struct amba_device *adev, const struct amba_id *id)
 
 	wdt = devm_kzalloc(&adev->dev, sizeof(*wdt), GFP_KERNEL);
 	if (!wdt) {
-		dev_warn(&adev->dev, "Kzalloc failed\n");
 		ret = -ENOMEM;
 		goto err;
 	}

drivers/watchdog/ts72xx_wdt.c

@@ -394,10 +394,8 @@ static int ts72xx_wdt_probe(struct platform_device *pdev)
 	int error = 0;
 
 	wdt = devm_kzalloc(&pdev->dev, sizeof(struct ts72xx_wdt), GFP_KERNEL);
-	if (!wdt) {
-		dev_err(&pdev->dev, "failed to allocate memory\n");
+	if (!wdt)
 		return -ENOMEM;
-	}
 
 	r1 = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	wdt->control_reg = devm_ioremap_resource(&pdev->dev, r1);

drivers/watchdog/wm831x_wdt.c

@@ -204,7 +204,6 @@ static int wm831x_wdt_probe(struct platform_device *pdev)
 	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;
 		goto err;
 	}