X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fusb%2Fmisc%2Fcytherm.c;h=04e87acd6e46007cec2449ffe34c58257d55c6a8;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=6671317b495f4c996319463fd29796ae92a5b99e;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/drivers/usb/misc/cytherm.c b/drivers/usb/misc/cytherm.c
index 6671317b4..04e87acd6 100644
--- a/drivers/usb/misc/cytherm.c
+++ b/drivers/usb/misc/cytherm.c
@@ -14,7 +14,6 @@
  */
 
 
-#include <linux/config.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/init.h>
@@ -351,12 +350,11 @@ static int cytherm_probe(struct usb_interface *interface,
 	struct usb_cytherm *dev = NULL;
 	int retval = -ENOMEM;
 
-	dev = kmalloc (sizeof(struct usb_cytherm), GFP_KERNEL);
+	dev = kzalloc (sizeof(struct usb_cytherm), GFP_KERNEL);
 	if (dev == NULL) {
 		dev_err (&interface->dev, "Out of memory\n");
-		goto error;
+		goto error_mem;
 	}
-	memset (dev, 0x00, sizeof (*dev));
 
 	dev->udev = usb_get_dev(udev);
 
@@ -364,18 +362,35 @@ static int cytherm_probe(struct usb_interface *interface,
 
 	dev->brightness = 0xFF;
 
-	device_create_file(&interface->dev, &dev_attr_brightness);   
-	device_create_file(&interface->dev, &dev_attr_temp);
-	device_create_file(&interface->dev, &dev_attr_button);
-	device_create_file(&interface->dev, &dev_attr_port0);
-	device_create_file(&interface->dev, &dev_attr_port1);
+	retval = device_create_file(&interface->dev, &dev_attr_brightness);
+	if (retval)
+		goto error;
+	retval = device_create_file(&interface->dev, &dev_attr_temp);
+	if (retval)
+		goto error;
+	retval = device_create_file(&interface->dev, &dev_attr_button);
+	if (retval)
+		goto error;
+	retval = device_create_file(&interface->dev, &dev_attr_port0);
+	if (retval)
+		goto error;
+	retval = device_create_file(&interface->dev, &dev_attr_port1);
+	if (retval)
+		goto error;
 
-	dev_info (&interface->dev, 
+	dev_info (&interface->dev,
 		  "Cypress thermometer device now attached\n");
 	return 0;
-
- error:
+error:
+	device_remove_file(&interface->dev, &dev_attr_brightness);
+	device_remove_file(&interface->dev, &dev_attr_temp);
+	device_remove_file(&interface->dev, &dev_attr_button);
+	device_remove_file(&interface->dev, &dev_attr_port0);
+	device_remove_file(&interface->dev, &dev_attr_port1);
+	usb_set_intfdata (interface, NULL);
+	usb_put_dev(dev->udev);
 	kfree(dev);
+error_mem:
 	return retval;
 }