diff --git a/fs/fs_context.c b/fs/fs_context.c index 23ad66cd94e1..a50584df97be 100644 --- a/fs/fs_context.c +++ b/fs/fs_context.c @@ -315,6 +315,10 @@ struct fs_context *fs_context_for_reconfigure(struct dentry *dentry, unsigned int sb_flags, unsigned int sb_flags_mask) { + /* kernel-internal superblocks are nobody's to reconfigure */ + if (dentry->d_sb->s_flags & SB_NOUSER) + return ERR_PTR(-EINVAL); + return alloc_fs_context(dentry->d_sb->s_type, dentry, sb_flags, sb_flags_mask, FS_CONTEXT_FOR_RECONFIGURE); } diff --git a/fs/fsopen.c b/fs/fsopen.c index 9d5a7a22b529..ae19e5136598 100644 --- a/fs/fsopen.c +++ b/fs/fsopen.c @@ -190,9 +190,6 @@ SYSCALL_DEFINE3(fspick, int, dfd, const char __user *, path, unsigned int, flags ret = -EINVAL; if (target.mnt->mnt_root != target.dentry) goto err_path; - /* kernel-internal superblocks are nobody's to reconfigure */ - if (target.dentry->d_sb->s_flags & SB_NOUSER) - goto err_path; fc = fs_context_for_reconfigure(target.dentry, 0, 0); if (IS_ERR(fc)) {