Re: [patch] USB: kill bogus file in /sys/module/nousb/parameters

On 10/25/2007 02:50 PM, Greg KH wrote:
> On Fri, Oct 19, 2007 at 02:38:30PM -0400, Chuck Ebbert wrote:
>> When USB is builtin, a file with a zero-length name is getting created in
>> /sys/module/nousb/parameters and it's causing problems for programs that
>> scan the filesystem. Since the file can't be read, statted, or anything,
>> don't create it at all.
>>
>> Signed-off-by: Chuck Ebbert <[email protected]>
> 
> Hm, I don't see this at all.
> 
> On a machine with usbcore built in, I have no "nousb" paramater in the
> usbcore directory:
> 	$ ls -l /sys/module/usbcore/parameters/
> 	total 0
> 	-rw-r--r-- 1 root root 4096 Oct 25 11:46 autosuspend
> 	-rw-r--r-- 1 root root 4096 Oct 25 11:46 use_both_schemes
> 
> And on a box with it built as a module:
> 	$ ls -l /sys/module/usbcore/parameters/
> 	total 0
> 	-rw-r--r-- 1 root root 4096 Oct 25 11:52 autosuspend
> 	-r--r--r-- 1 root root 4096 Oct 25 11:52 blinkenlights
> 	-r--r--r-- 1 root root 4096 Oct 25 11:52 nousb
> 	-rw-r--r-- 1 root root 4096 Oct 25 11:52 old_scheme_first
> 	-rw-r--r-- 1 root root 4096 Oct 25 11:52 usbfs_snoop
> 	-rw-r--r-- 1 root root 4096 Oct 25 11:52 use_both_schemes
> 
> It's a real paramater.
> 
> 
> As for showing up in /sys/module/nousb/ on both machines:
> 	$ ls /sys/module/n*
> 	ls: cannot access /sys/module/n*: No such file or directory
> 
> it's not there.
> 
> I thought I had seen this sometime in the past, but I can't duplicate it
> at all anymore, so is this still an issue?
> 

No, it's fixed in 2.6.24-rc1 by commit faf8c714f4508207a9c81cc94dafc76ed6680b44
which fixed the real underlying problem.

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