patch to create sysfs char device nodes

[Coywolf Qi Hunt]

On Mon, Jul 04, 2005 at 06:25:41PM +0200, Thomas Gleixner wrote:
> On Tue, 2005-07-05 at 00:14 +0800, Coywolf Qi Hunt wrote:
> > On 6/9/05, Paolo Galtieri <pgaltieri at mvista.com> wrote:
> > > Hi,
> > >   with DEVFS going away I discovered that no character device nodes are
> > > created if a flash device is present which contains filesystems. The
> > > mtd-utils package requires the existence of character device nodes for
> > > performing erase, lock and unlock functions.  The problem is that the
> > > flash device driver has not been modified to use sysfs instead of devfs.
> > > 
> > > I have attached a patch to mtdchar.c which uses the sysfs interface to
> > > create the appropriate nodes.  Please let me know if you have comments.
> > 
> > I encountered the same problem days ago. Thanks for the patch. A patch
> > based on yours will be sent in the next mail.
> 
> A reworked patch is in the MTD CVS and in the mtd-git tree already. No
> need to send something
> 
> tglx
> 


Basically the git diff is what I was trying to do. plus


Index: mtd/drivers/mtd/mtdchar.c
===================================================================
RCS file: /home/cvs/mtd/drivers/mtd/mtdchar.c,v
retrieving revision 1.72
diff -p -u -r1.72 mtdchar.c
--- mtd/drivers/mtd/mtdchar.c	30 Jun 2005 00:23:24 -0000	1.72
+++ mtd/drivers/mtd/mtdchar.c	4 Jul 2005 17:08:14 -0000
@@ -649,7 +649,7 @@ static int __init init_mtdchar(void)
 	if (IS_ERR(mtd_class)) {
 		printk(KERN_ERR "Error creating mtd class.\n");
 		unregister_chrdev(MTD_CHAR_MAJOR, "mtd");
-		return 1;
+		return PTR_ERR(mtd_class);
 	}
 
 	register_mtd_user(&notifier);