Log successful error injections so that injected errors can be
differentiated from real errors.
Suggested-by: NBjorn Helgaas <bhelgaas@google.com>
Signed-off-by: NJean Delvare <jdelvare@suse.de>
Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>
CC: Borislav Petkov <bp@suse.de>