diff options
Diffstat (limited to 'fs/efivarfs')
| -rw-r--r-- | fs/efivarfs/super.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/efivarfs/super.c b/fs/efivarfs/super.c index 07e82e246666..482d612b716b 100644 --- a/fs/efivarfs/super.c +++ b/fs/efivarfs/super.c @@ -194,6 +194,9 @@ static int efivarfs_fill_super(struct super_block *sb, struct fs_context *fc) struct dentry *root; int err; + if (!efivar_is_available()) + return -EOPNOTSUPP; + sb->s_maxbytes = MAX_LFS_FILESIZE; sb->s_blocksize = PAGE_SIZE; sb->s_blocksize_bits = PAGE_SHIFT; @@ -243,6 +246,9 @@ static void efivarfs_kill_sb(struct super_block *sb) { kill_litter_super(sb); + if (!efivar_is_available()) + return; + /* Remove all entries and destroy */ efivar_entry_iter(efivarfs_destroy, &efivarfs_list, NULL); } @@ -256,9 +262,6 @@ static struct file_system_type efivarfs_type = { static __init int efivarfs_init(void) { - if (!efivars_kobject()) - return -ENODEV; - return register_filesystem(&efivarfs_type); } |