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-rw-r--r--fs/efivarfs/super.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/efivarfs/super.c b/fs/efivarfs/super.c
index 12c66f5d92dd..28bb5689333a 100644
--- a/fs/efivarfs/super.c
+++ b/fs/efivarfs/super.c
@@ -201,6 +201,9 @@ static int efivarfs_fill_super(struct super_block *sb, struct fs_context *fc)
sb->s_d_op = &efivarfs_d_ops;
sb->s_time_gran = 1;
+ if (!efivar_supports_writes())
+ sb->s_flags |= SB_RDONLY;
+
inode = efivarfs_get_inode(sb, NULL, S_IFDIR | 0755, 0, true);
if (!inode)
return -ENOMEM;
@@ -252,9 +255,6 @@ static struct file_system_type efivarfs_type = {
static __init int efivarfs_init(void)
{
- if (!efi_rt_services_supported(EFI_RT_SUPPORTED_VARIABLE_SERVICES))
- return -ENODEV;
-
if (!efivars_kobject())
return -ENODEV;