On Tue, Dec 05, 2023 at 02:13:26PM +0800, Herbert Xu wrote: > As algif_skcipher does not support nonincremental algorithms, check > for them and return ENOSYS Shouldn't they still be supported if the data is being read/written all at once? Also, ENOSYS isn't really an appropriate error code. ENOSYS normally means that the system call isn't supported at all. Maybe use EOPNOTSUPP? - Eric