--- Greg KH <greg@xxxxxxxxx> wrote:
> On Tue, Jan 10, 2006 at 06:22:40AM -0800, kanishk
> rastogi wrote:
> > if(fd=open("/dev/kanishk",O_RDWR)<=0)
>
>
> Are you sure /dev/kanishk has been created (by you,
----> Yes the device file had been created by me and
checked.
in fact in the dmesg (after executing the user prog)
the last message was from the open function...
the user prog runs "open func" sucessfully but while
running "read func" stops. and when i press enter it
comes out and displays
Data Returned is :1// this shows the value returned by
read(while i am returning 0 from driver's read.
Data Entered is : //this shows the data
> you don't have the
> logic in your example to have udev create it), and
> it has the proper
> permissions and the proper major/minor number
> assigned to it?
>
> thanks,
>
> greg k-h
>
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