diff options
Diffstat (limited to 'fs/btrfs/sysfs.c')
| -rw-r--r-- | fs/btrfs/sysfs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index e6a5e7d82f42..b2e7bb4393f6 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -377,6 +377,9 @@ static ssize_t btrfs_label_store(struct kobject *kobj, int ret; size_t p_len; + if (fs_info->sb->s_flags & MS_RDONLY) + return -EROFS; + /* * p_len is the len until the first occurrence of either * '\n' or '\0' |