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path: root/drivers/s390/crypto/zcrypt_pcicc.c
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Diffstat (limited to 'drivers/s390/crypto/zcrypt_pcicc.c')
-rw-r--r--drivers/s390/crypto/zcrypt_pcicc.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/s390/crypto/zcrypt_pcicc.c b/drivers/s390/crypto/zcrypt_pcicc.c
index 779952cb19fc..f4b0c4795434 100644
--- a/drivers/s390/crypto/zcrypt_pcicc.c
+++ b/drivers/s390/crypto/zcrypt_pcicc.c
@@ -447,19 +447,23 @@ static void zcrypt_pcicc_receive(struct ap_device *ap_dev,
447 .type = TYPE82_RSP_CODE, 447 .type = TYPE82_RSP_CODE,
448 .reply_code = REP82_ERROR_MACHINE_FAILURE, 448 .reply_code = REP82_ERROR_MACHINE_FAILURE,
449 }; 449 };
450 struct type86_reply *t86r = reply->message; 450 struct type86_reply *t86r;
451 int length; 451 int length;
452 452
453 /* Copy the reply message to the request message buffer. */ 453 /* Copy the reply message to the request message buffer. */
454 if (IS_ERR(reply)) 454 if (IS_ERR(reply)) {
455 memcpy(msg->message, &error_reply, sizeof(error_reply)); 455 memcpy(msg->message, &error_reply, sizeof(error_reply));
456 else if (t86r->hdr.type == TYPE86_RSP_CODE && 456 goto out;
457 }
458 t86r = reply->message;
459 if (t86r->hdr.type == TYPE86_RSP_CODE &&
457 t86r->cprb.cprb_ver_id == 0x01) { 460 t86r->cprb.cprb_ver_id == 0x01) {
458 length = sizeof(struct type86_reply) + t86r->length - 2; 461 length = sizeof(struct type86_reply) + t86r->length - 2;
459 length = min(PCICC_MAX_RESPONSE_SIZE, length); 462 length = min(PCICC_MAX_RESPONSE_SIZE, length);
460 memcpy(msg->message, reply->message, length); 463 memcpy(msg->message, reply->message, length);
461 } else 464 } else
462 memcpy(msg->message, reply->message, sizeof error_reply); 465 memcpy(msg->message, reply->message, sizeof error_reply);
466out:
463 complete((struct completion *) msg->private); 467 complete((struct completion *) msg->private);
464} 468}
465 469