[S390] zcrypt: fix PCIXCC/CEX2C error recovery
Symptom: zcrypt fails by setting all PCIXCC/CEX2C cards offline for a
certain type of invalid keys.
Problem: zcrypt does not handle rc=12/rs=769 request responses correctly
Solution: modify convert_type86_ica() to handle these error codes correctly
Signed-off-by: Ralph Wuerthner <rwuerthn@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/crypto/zcrypt_pcixcc.c b/drivers/s390/crypto/zcrypt_pcixcc.c
index c283692..70b9ddc 100644
--- a/drivers/s390/crypto/zcrypt_pcixcc.c
+++ b/drivers/s390/crypto/zcrypt_pcixcc.c
@@ -432,14 +432,17 @@
}
if (service_rc == 8 && service_rs == 770) {
PDEBUG("Invalid key length on PCIXCC/CEX2C\n");
- zdev->min_mod_size = PCIXCC_MIN_MOD_SIZE_OLD;
- return -EAGAIN;
+ return -EINVAL;
}
if (service_rc == 8 && service_rs == 783) {
PDEBUG("Extended bitlengths not enabled on PCIXCC/CEX2C\n");
zdev->min_mod_size = PCIXCC_MIN_MOD_SIZE_OLD;
return -EAGAIN;
}
+ if (service_rc == 12 && service_rs == 769) {
+ PDEBUG("Invalid key on PCIXCC/CEX2C\n");
+ return -EINVAL;
+ }
PRINTK("Unknown service rc/rs (PCIXCC/CEX2C): %d/%d\n",
service_rc, service_rs);
zdev->online = 0;