Re: how to change the permission of /dev/ node from kernel mode.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, Nov 24, 2008 at 05:02:58PM +0530, Mohamed Thalib .H wrote:
> Hi All,
> 
> 	I have created a /dev/ node using class_create() and
> class_device_create() APIs,
> 
> by default the created node is having root only permisson as below
> 
> crw-rw---- 1 root root 251, 0 2008-11-24 16:56 /dev/sp
> 
> how can I give acces permission so every one can access that node

You can't do that from the kernel, you must write a udev rule.

> I dont want to use chmod in user space intead it should be done in the
> kernel mode itsel .Is the any way to this stuff.

No, it can not be done in the kernel, as the kernel did not create the
device node in the first place, udev did.

thanks,

greg k-h

--
To unsubscribe from this list: send an email with
"unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx
Please read the FAQ at http://kernelnewbies.org/FAQ


[Index of Archives]     [Newbies FAQ]     [Linux Kernel Mentors]     [Linux Kernel Development]     [IETF Annouce]     [Git]     [Networking]     [Security]     [Bugtraq]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux SCSI]     [Linux ACPI]
  Powered by Linux