-O iobs: exempt for all stream ciphers or plain IO

[tfcrypt.git] / tfcrypt.c

diff --git a/tfcrypt.c b/tfcrypt.c
index 88420817cbf9d4004a226bfa4ba6ce959d144a93..2b2a26f367aed57659c3f0d65f34203857a2ce4a 100644 (file)
--- a/tfcrypt.c
+++ b/tfcrypt.c
@@ -362,7 +362,7 @@ _baddfname:
                                                        "%s: invalid block size value", s);
                                                }
                                                else blksize = (size_t)tfc_modifysize((tfc_fsize)blksize, strchr(s, ':'));
-                                               if (do_edcrypt != TFC_DO_PLAIN && blksize < TF_BLOCK_SIZE) xerror(NO, YES, YES,
+                                               if (!tfc_is_stream(ctr_mode) && blksize < TF_BLOCK_SIZE) xerror(NO, YES, YES,
                                                        "%s: block size is lesser than TF_BLOCK_SIZE (%u bytes)", s, TFC_U(TF_BLOCK_SIZE));
                                                if (blksize > TFC_BLKSIZE) xerror(NO, YES, YES,
                                                        "%s: block size exceeds %u bytes",