On Thu, Jan 7, 2010 at 3:31 AM, Sam Carter <[email protected]> wrote: > Hi all, > > I'm trying to write a simple char driver following the 'Linux Device > Drivers' book from O' Reilly. My driver appears in /proc/devices and under > lsmod. I've been trying to register the device fops table so I can > read/write to it, however when I try to cat some data to it in /dev/myDevice > I get the error 'No such device or address'. The device does appear on the > list with ls /dev/. > > Can anyone help me find the source of this problem? Thanks in advance.
Is the major/minor number of /dev/myDevice the same with major/minor allocated in your driver ? Can you post a pointer to your code? thanks, Daniel. -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to [email protected] Please read the FAQ at http://kernelnewbies.org/FAQ
