They currently return the value of their headerlen/buflen parameter on
success. Returning 0 instead makes it clear that short reads/writes are
not possible.
Signed-off-by: Alberto Faria <afaria@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
---
block/crypto.c | 52 +++++++++++++++++-----------------
block/qcow2.c | 22 +++++++-------
crypto/block-luks.c | 8 +++---
crypto/block.c | 6 ++--
include/crypto/block.h | 32 ++++++++++-----------
tests/unit/test-crypto-block.c | 38 ++++++++++++-------------
6 files changed, 79 insertions(+), 79 deletions(-)