From: JustMan <justman@e1.bmstu.ru>
To: linux-kernel@vger.kernel.org
Subject: Re: [OOPS] on usb removal, and minicom closing 2.6.11.7
Date: Thu, 14 Apr 2005 16:14:03 +0400
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> So,
> 
> I plugged in e680 motorola phone, played a bit with minicom on
> /dev/ttyACM0, and when I closed minicom, got this oops. USB is useless,
> got to reboot computer to use it again!
> it's vanilla 2.6.11.7
> 
> oops attached.
> 

Try attached patch... (nasty solution, but it work for my C350  motorola phone)

> 
> 

-- 
Regards, JustMan.

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diff -uNrp linux/drivers/base/class.orig.c  linux/drivers/base/class.c
--- linux/drivers/base/class.orig.c	2005-03-10 12:19:00.000000000 +0300
+++ linux/drivers/base/class.c	2005-03-10 13:59:27.000000000 +0300
@@ -307,12 +307,14 @@ static int class_hotplug(struct kset *ks
 	if (class_dev->dev) {
 		/* add physical device, backing this device  */
 		struct device *dev = class_dev->dev;
-		char *path = kobject_get_path(&dev->kobj, GFP_KERNEL);
 
-		add_hotplug_env_var(envp, num_envp, &i, buffer, buffer_size,
-				    &length, "PHYSDEVPATH=%s", path);
-		kfree(path);
+		if(kobject_name(&dev->kobj)) {
+			char *path = kobject_get_path(&dev->kobj, GFP_KERNEL);
 
+			add_hotplug_env_var(envp, num_envp, &i, buffer, buffer_size,
+				    &length, "PHYSDEVPATH=%s", path);
+			kfree(path);
+		}
 		/* add bus name of physical device */
 		if (dev->bus)
 			add_hotplug_env_var(envp, num_envp, &i,

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