[PATCH] add IGNORE rule type

On Wed, Dec 31, 2003 at 11:24:53AM -0800, Greg KH wrote:

> > There should be a possibility to tell udev not to create a device node.
> >
> > device-mapper: Usually set up by libdevmapper (or EVMS tools) which
> > creates the device node on its own under /dev/mapper/<name>.
> >
> > With udev a second device is created named /dev/dm-<minor> which is not
> > really needed.
>
> Good point.  Ok, I'll agree with you.  Care to make up a patch for this
> kind of feature?

Yes, I can try.

There was no way to tell not to do anything so I created one. Errors
are signalled via negative return values, so I thought that a positive,
non-zero one could mean to ignore the device. I don't like it but
perhaps you have a better solution.

1 files changed, 3 insertions, 0 deletions

diff --git a/udev.c b/udev.c
index bbff89bad5..116acf5389 100644
--- a/udev.c
+++ b/udev.c
@@ -221,6 +221,9 @@ exit_sysbus:
 	sysbus_disconnect();
 
 exit:
+	if (retval > 0)
+		retval = 0;
+
 	return -retval;
 }