[S390] zcrypt: Fix error return codes.

Return EINVAL instead of EFAULT for invalid input parameter.

Signed-off-by: Holger Dengler <hd@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/s390/crypto/zcrypt_pcixcc.c b/drivers/s390/crypto/zcrypt_pcixcc.c
index 646fb8f11512..077b7d109fde 100644
--- a/drivers/s390/crypto/zcrypt_pcixcc.c
+++ b/drivers/s390/crypto/zcrypt_pcixcc.c
@@ -260,7 +260,7 @@ static int ICACRT_msg_to_type6CRT_msgX(struct zcrypt_device *zdev,
  * @ap_msg: pointer to AP message
  * @xcRB: pointer to user input data
  *
- * Returns 0 on success or -EFAULT.
+ * Returns 0 on success or -EFAULT, -EINVAL.
  */
 struct type86_fmt2_msg {
         struct type86_hdr hdr;
@@ -290,12 +290,12 @@ static int XCRB_msg_to_type6CPRB_msgX(struct zcrypt_device *zdev,
                 CEIL4(xcRB->request_control_blk_length) +
                 xcRB->request_data_length;
         if (ap_msg->length > PCIXCC_MAX_XCRB_MESSAGE_SIZE)
-                return -EFAULT;
+                return -EINVAL;
         replylen = sizeof(struct type86_fmt2_msg) +
                 CEIL4(xcRB->reply_control_blk_length) +
                 xcRB->reply_data_length;
         if (replylen > PCIXCC_MAX_XCRB_MESSAGE_SIZE)
-                return -EFAULT;
+                return -EINVAL;
 
         /* prepare type6 header */
         msg->hdr = static_type6_hdrX;
@@ -314,7 +314,7 @@ static int XCRB_msg_to_type6CPRB_msgX(struct zcrypt_device *zdev,
                 return -EFAULT;
         if (msg->cprbx.cprb_len + sizeof(msg->hdr.function_code) >
             xcRB->request_control_blk_length)
-                return -EFAULT;
+                return -EINVAL;
         function_code = ((unsigned char *)&msg->cprbx) + msg->cprbx.cprb_len;
         memcpy(msg->hdr.function_code, function_code, sizeof(msg->hdr.function_code));