Commit dbed23db authored by Harald Freudenberger's avatar Harald Freudenberger Committed by Martin Schwidefsky

s390/zcrypt: Add some debug messages on failure.

Added some dbf debug messages on failure of the most important
ioctl calls. These messages are only enabled with dbf level
6 (debug) and so do not affect the normal operating mode which
uses level 3 (errors and higher).
Signed-off-by: default avatarHarald Freudenberger <freude@linux.vnet.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent bf10b668
......@@ -821,8 +821,10 @@ static long zcrypt_unlocked_ioctl(struct file *filp, unsigned int cmd,
do {
rc = zcrypt_rsa_modexpo(&mex);
} while (rc == -EAGAIN);
if (rc)
if (rc) {
ZCRYPT_DBF(DBF_DEBUG, "ioctl ICARSAMODEXPO rc=%d", rc);
return rc;
}
return put_user(mex.outputdatalength, &umex->outputdatalength);
}
case ICARSACRT: {
......@@ -838,8 +840,10 @@ static long zcrypt_unlocked_ioctl(struct file *filp, unsigned int cmd,
do {
rc = zcrypt_rsa_crt(&crt);
} while (rc == -EAGAIN);
if (rc)
if (rc) {
ZCRYPT_DBF(DBF_DEBUG, "ioctl ICARSACRT rc=%d", rc);
return rc;
}
return put_user(crt.outputdatalength, &ucrt->outputdatalength);
}
case ZSECSENDCPRB: {
......@@ -855,6 +859,8 @@ static long zcrypt_unlocked_ioctl(struct file *filp, unsigned int cmd,
do {
rc = zcrypt_send_cprb(&xcRB);
} while (rc == -EAGAIN);
if (rc)
ZCRYPT_DBF(DBF_DEBUG, "ioctl ZSENDCPRB rc=%d", rc);
if (copy_to_user(uxcRB, &xcRB, sizeof(xcRB)))
return -EFAULT;
return rc;
......@@ -872,6 +878,8 @@ static long zcrypt_unlocked_ioctl(struct file *filp, unsigned int cmd,
do {
rc = zcrypt_send_ep11_cprb(&xcrb);
} while (rc == -EAGAIN);
if (rc)
ZCRYPT_DBF(DBF_DEBUG, "ioctl ZSENDEP11CPRB rc=%d", rc);
if (copy_to_user(uxcrb, &xcrb, sizeof(xcrb)))
return -EFAULT;
return rc;
......
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