mtdchar: Register the full range of minor numbers
register_chrdev() registers minor numbers up to 255, but we can now
potentially have much larger numbers.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 9f826cd..c355491 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -955,7 +955,8 @@
{
int status;
- status = register_chrdev(MTD_CHAR_MAJOR, "mtd", &mtd_fops);
+ status = __register_chrdev(MTD_CHAR_MAJOR, 0, 1 << MINORBITS,
+ "mtd", &mtd_fops);
if (status < 0) {
printk(KERN_NOTICE "Can't allocate major number %d for Memory Technology Devices.\n",
MTD_CHAR_MAJOR);
@@ -966,7 +967,7 @@
static void __exit cleanup_mtdchar(void)
{
- unregister_chrdev(MTD_CHAR_MAJOR, "mtd");
+ __unregister_chrdev(MTD_CHAR_MAJOR, 0, 1 << MINORBITS, "mtd");
}
module_init(init_mtdchar);