diff options
Diffstat (limited to 'drivers/mtd/mtdchar.c')
| -rw-r--r-- | drivers/mtd/mtdchar.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index 5b081cb84351..c355491d1326 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -67,9 +67,6 @@ static int mtd_open(struct inode *inode, struct file *file) DEBUG(MTD_DEBUG_LEVEL0, "MTD_open\n"); - if (devnum >= MAX_MTD_DEVICES) - return -ENODEV; - /* You can't open the RO devices RW */ if ((file->f_mode & FMODE_WRITE) && (minor & 1)) return -EACCES; @@ -373,7 +370,7 @@ static int mtd_do_writeoob(struct file *file, struct mtd_info *mtd, if (!mtd->write_oob) ret = -EOPNOTSUPP; else - ret = access_ok(VERIFY_READ, ptr, length) ? 0 : EFAULT; + ret = access_ok(VERIFY_READ, ptr, length) ? 0 : -EFAULT; if (ret) return ret; @@ -482,7 +479,7 @@ static int mtd_ioctl(struct inode *inode, struct file *file, { uint32_t ur_idx; struct mtd_erase_region_info *kr; - struct region_info_user *ur = (struct region_info_user *) argp; + struct region_info_user __user *ur = argp; if (get_user(ur_idx, &(ur->regionindex))) return -EFAULT; @@ -958,7 +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); @@ -969,7 +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); |