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>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 9f826cda2748..c355491d1326 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -955,7 +955,8 @@ static int __init init_mtdchar(void)
 {
         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 int __init init_mtdchar(void)
 
 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);