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path: root/drivers/s390/crypto/zcrypt_msgtype6.c
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Diffstat (limited to 'drivers/s390/crypto/zcrypt_msgtype6.c')
-rw-r--r--drivers/s390/crypto/zcrypt_msgtype6.c59
1 files changed, 34 insertions, 25 deletions
diff --git a/drivers/s390/crypto/zcrypt_msgtype6.c b/drivers/s390/crypto/zcrypt_msgtype6.c
index 46b324ce6c7a..74762214193b 100644
--- a/drivers/s390/crypto/zcrypt_msgtype6.c
+++ b/drivers/s390/crypto/zcrypt_msgtype6.c
@@ -829,10 +829,8 @@ static void zcrypt_msgtype6_receive(struct ap_device *ap_dev,
int length;
/* Copy the reply message to the request message buffer. */
- if (IS_ERR(reply)) {
- memcpy(msg->message, &error_reply, sizeof(error_reply));
- goto out;
- }
+ if (!reply)
+ goto out; /* ap_msg->rc indicates the error */
t86r = reply->message;
if (t86r->hdr.type == TYPE86_RSP_CODE &&
t86r->cprbx.cprb_ver_id == 0x02) {
@@ -880,10 +878,8 @@ static void zcrypt_msgtype6_receive_ep11(struct ap_device *ap_dev,
int length;
/* Copy the reply message to the request message buffer. */
- if (IS_ERR(reply)) {
- memcpy(msg->message, &error_reply, sizeof(error_reply));
- goto out;
- }
+ if (!reply)
+ goto out; /* ap_msg->rc indicates the error */
t86r = reply->message;
if (t86r->hdr.type == TYPE86_RSP_CODE &&
t86r->cprbx.cprb_ver_id == 0x04) {
@@ -935,10 +931,13 @@ static long zcrypt_msgtype6_modexpo(struct zcrypt_device *zdev,
init_completion(&resp_type.work);
ap_queue_message(zdev->ap_dev, &ap_msg);
rc = wait_for_completion_interruptible(&resp_type.work);
- if (rc == 0)
- rc = convert_response_ica(zdev, &ap_msg, mex->outputdata,
- mex->outputdatalength);
- else
+ if (rc == 0) {
+ rc = ap_msg.rc;
+ if (rc == 0)
+ rc = convert_response_ica(zdev, &ap_msg,
+ mex->outputdata,
+ mex->outputdatalength);
+ } else
/* Signal pending. */
ap_cancel_message(zdev->ap_dev, &ap_msg);
out_free:
@@ -976,10 +975,13 @@ static long zcrypt_msgtype6_modexpo_crt(struct zcrypt_device *zdev,
init_completion(&resp_type.work);
ap_queue_message(zdev->ap_dev, &ap_msg);
rc = wait_for_completion_interruptible(&resp_type.work);
- if (rc == 0)
- rc = convert_response_ica(zdev, &ap_msg, crt->outputdata,
- crt->outputdatalength);
- else
+ if (rc == 0) {
+ rc = ap_msg.rc;
+ if (rc == 0)
+ rc = convert_response_ica(zdev, &ap_msg,
+ crt->outputdata,
+ crt->outputdatalength);
+ } else
/* Signal pending. */
ap_cancel_message(zdev->ap_dev, &ap_msg);
out_free:
@@ -1017,9 +1019,11 @@ static long zcrypt_msgtype6_send_cprb(struct zcrypt_device *zdev,
init_completion(&resp_type.work);
ap_queue_message(zdev->ap_dev, &ap_msg);
rc = wait_for_completion_interruptible(&resp_type.work);
- if (rc == 0)
- rc = convert_response_xcrb(zdev, &ap_msg, xcRB);
- else
+ if (rc == 0) {
+ rc = ap_msg.rc;
+ if (rc == 0)
+ rc = convert_response_xcrb(zdev, &ap_msg, xcRB);
+ } else
/* Signal pending. */
ap_cancel_message(zdev->ap_dev, &ap_msg);
out_free:
@@ -1057,9 +1061,12 @@ static long zcrypt_msgtype6_send_ep11_cprb(struct zcrypt_device *zdev,
init_completion(&resp_type.work);
ap_queue_message(zdev->ap_dev, &ap_msg);
rc = wait_for_completion_interruptible(&resp_type.work);
- if (rc == 0)
- rc = convert_response_ep11_xcrb(zdev, &ap_msg, xcrb);
- else /* Signal pending. */
+ if (rc == 0) {
+ rc = ap_msg.rc;
+ if (rc == 0)
+ rc = convert_response_ep11_xcrb(zdev, &ap_msg, xcrb);
+ } else
+ /* Signal pending. */
ap_cancel_message(zdev->ap_dev, &ap_msg);
out_free:
@@ -1096,9 +1103,11 @@ static long zcrypt_msgtype6_rng(struct zcrypt_device *zdev,
init_completion(&resp_type.work);
ap_queue_message(zdev->ap_dev, &ap_msg);
rc = wait_for_completion_interruptible(&resp_type.work);
- if (rc == 0)
- rc = convert_response_rng(zdev, &ap_msg, buffer);
- else
+ if (rc == 0) {
+ rc = ap_msg.rc;
+ if (rc == 0)
+ rc = convert_response_rng(zdev, &ap_msg, buffer);
+ } else
/* Signal pending. */
ap_cancel_message(zdev->ap_dev, &ap_msg);
kfree(ap_msg.message);