Message ID | 1406721850-3387-4-git-send-email-anand.jain@oracle.com (mailing list archive) |
---|---|
State | Accepted |
Headers | show |
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 266e201..e815ab2 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'
Not sure how this escaped many eyes so far Signed-off-by: Anand Jain <anand.jain@oracle.com> --- fs/btrfs/sysfs.c | 3 +++ 1 file changed, 3 insertions(+)