diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/mtd/mtdchar.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index f511dd15fd31..145b3d0dc0db 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -522,10 +522,6 @@ static int mtd_blkpg_ioctl(struct mtd_info *mtd, if (!capable(CAP_SYS_ADMIN)) return -EPERM; - /* Only master mtd device must be used to control partitions */ - if (!mtd_is_master(mtd)) - return -EINVAL; - if (copy_from_user(&a, arg, sizeof(struct blkpg_ioctl_arg))) return -EFAULT; @@ -535,6 +531,10 @@ static int mtd_blkpg_ioctl(struct mtd_info *mtd, switch (a.op) { case BLKPG_ADD_PARTITION: + /* Only master mtd device must be used to add partitions */ + if (mtd_is_partition(mtd)) + return -EINVAL; + return mtd_add_partition(mtd, p.devname, p.start, p.length); case BLKPG_DEL_PARTITION: @@ -601,6 +601,7 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg) } case MEMGETINFO: + memset(&info, 0, sizeof(info)); info.type = mtd->type; info.flags = mtd->flags; info.size = mtd->size; @@ -609,7 +610,6 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg) info.oobsize = mtd->oobsize; /* The below fields are obsolete */ info.ecctype = -1; - info.eccsize = 0; if (copy_to_user(argp, &info, sizeof(struct mtd_info_user))) return -EFAULT; break; @@ -1134,7 +1134,7 @@ static const struct file_operations mtd_fops = { static struct dentry *mtd_inodefs_mount(struct file_system_type *fs_type, int flags, const char *dev_name, void *data) { - return mount_pseudo(fs_type, "mtd_inode:", NULL, MTD_INODE_FS_MAGIC); + return mount_pseudo(fs_type, "mtd_inode:", NULL, NULL, MTD_INODE_FS_MAGIC); } static struct file_system_type mtd_inodefs_type = { @@ -1201,7 +1201,7 @@ err_unregister_chdev: static void __exit cleanup_mtdchar(void) { unregister_mtd_user(&mtdchar_notifier); - mntput_long(mtd_inode_mnt); + mntput(mtd_inode_mnt); unregister_filesystem(&mtd_inodefs_type); __unregister_chrdev(MTD_CHAR_MAJOR, 0, 1 << MINORBITS, "mtd"); } |