Messages in this thread Patch in this message | | | Date | Fri, 27 Feb 2004 18:36:47 -0300 (BRT) | From | Marcelo Tosatti <> | Subject | [PATCH] tty_io: Do not register NULL /dev entries on devfs |
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Hi,
Faced this problem where "/dev/<NULL>x" entries got created while loading the cyclades driver with devfs.
Several drivers do not set driver->devfs_name, so better skip registration for those.
--- linux-2.6.3/drivers/char/tty_io.c.orig 2004-02-27 18:29:16.641482744 -0300 +++ linux-2.6.3/drivers/char/tty_io.c 2004-02-27 18:30:08.437608536 -0300 @@ -2099,7 +2099,8 @@ return; }
- devfs_mk_cdev(dev, S_IFCHR | S_IRUSR | S_IWUSR, + if (driver->devfs_name) + devfs_mk_cdev(dev, S_IFCHR | S_IRUSR | S_IWUSR, "%s%d", driver->devfs_name, index + driver->name_base);
/* we don't care about the ptys */ @@ -2121,7 +2122,8 @@ */ void tty_unregister_device(struct tty_driver *driver, unsigned index) { - devfs_remove("%s%d", driver->devfs_name, index + driver->name_base); + if (driver->devfs_name) + devfs_remove("%s%d", driver->devfs_name, index + driver->name_base); class_simple_device_remove(MKDEV(driver->major, driver->minor_start) + index); }
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