Re: [PATCH] zr36067: Debugging cleanups (updated again)
Jean Delvare <[email protected]>
| Newsgroups | gmane.comp.video.mjpeg.devel |
|---|---|
| Message-ID | <[email protected]> |
Hi Ronald, On Thu, 24 May 2007 16:48:42 -0400, Ronald S. Bultje wrote: > Hey, > > On May 24, 2007, at 4:10 PM, Trent Piepho wrote: > [... lock_norm ...] > >> (As a side note, I'm curious as to why this module parameter > >> exists in > >> the first place, it doesn't seem particularly useful, and it gives > >> users an easy way to fill the kernel log buffer when used. I couldn't > >> find any other media/video driver offering such a parameter.) > > > > My guess is it's a hack for badly written software. > > Feature from the original driver. Serguei Miridonov's site explains > use cases. It's security-related, for sysadmins that want to limit > norm changing. Can you please point me to this site? Google didn't help. I just can't see how this is related to security. A sysadmin who really cares would probably never give the users write permissions to /dev/video0 to start with. -- Jean Delvare ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/