diff options
Diffstat (limited to 'drivers/mtd/mtdchar.c')
| -rw-r--r-- | drivers/mtd/mtdchar.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index 8b223c0343ee..a8e69dd2b2e4 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -676,6 +676,20 @@ static int mtd_ioctl(struct inode *inode, struct file *file, break; } + case MEMISLOCKED: + { + struct erase_info_user einfo; + + if (copy_from_user(&einfo, argp, sizeof(einfo))) + return -EFAULT; + + if (!mtd->is_locked) + ret = -EOPNOTSUPP; + else + ret = mtd->is_locked(mtd, einfo.start, einfo.length); + break; + } + /* Legacy interface */ case MEMGETOOBSEL: { |