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authorJoel Stanley <joel@jms.id.au>2020-08-04 10:58:32 +0300
committerJoel Stanley <joel@jms.id.au>2020-08-04 10:58:36 +0300
commit9524588381df213554a10d3661a9200a4b7f6db2 (patch)
treea4d281b99dcd28b9a1d3077299c26a5671abff88 /fs/efivarfs/super.c
parent666e403461fd046b37bc95bba49e82ca6a758bea (diff)
parent67da9e2c2b730b9b788ace749d22d769cf11ee2b (diff)
downloadlinux-dev-5.7.tar.xz
Merge tag 'v5.7.12' into dev-5.7dev-5.7
This is the 5.7.12 stable release Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'fs/efivarfs/super.c')
-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;