[S390] Cleanup zcrypt printk messages.

Signed-off-by: Felix Beck <felix.beck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

7 files changed, 17 insertions, 130 deletions

diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index 4d36e805a234..8a4964f3584b 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -1068,10 +1068,8 @@ static int zcrypt_status_write(struct file *file, const char __user *buffer,
 
 #define LBUFSIZE 1200UL
         lbuf = kmalloc(LBUFSIZE, GFP_KERNEL);
-        if (!lbuf) {
-                PRINTK("kmalloc failed!\n");
+        if (!lbuf)
                 return 0;
-        }
 
         local_count = min(LBUFSIZE - 1, count);
         if (copy_from_user(lbuf, buffer, local_count) != 0) {
@@ -1081,23 +1079,15 @@ static int zcrypt_status_write(struct file *file, const char __user *buffer,
         lbuf[local_count] = '\0';
 
         ptr = strstr(lbuf, "Online devices");
-        if (!ptr) {
-                PRINTK("Unable to parse data (missing \"Online devices\")\n");
+        if (!ptr)
                 goto out;
-        }
         ptr = strstr(ptr, "\n");
-        if (!ptr) {
-                PRINTK("Unable to parse data (missing newline "
-                       "after \"Online devices\")\n");
+        if (!ptr)
                 goto out;
-        }
         ptr++;
 
-        if (strstr(ptr, "Waiting work element counts") == NULL) {
-                PRINTK("Unable to parse data (missing "
-                       "\"Waiting work element counts\")\n");
+        if (strstr(ptr, "Waiting work element counts") == NULL)
                 goto out;
-        }
 
         for (j = 0; j < 64 && *ptr; ptr++) {
                 /*
@@ -1197,16 +1187,12 @@ int __init zcrypt_api_init(void)
 
         /* Register the request sprayer. */
         rc = misc_register(&zcrypt_misc_device);
-        if (rc < 0) {
-                PRINTKW(KERN_ERR "misc_register (minor %d) failed with %d\n",
-                        zcrypt_misc_device.minor, rc);
+        if (rc < 0)
                 goto out;
-        }
 
         /* Set up the proc file system */
         zcrypt_entry = create_proc_entry("driver/z90crypt", 0644, NULL);
         if (!zcrypt_entry) {
-                PRINTK("Couldn't create z90crypt proc entry\n");
                 rc = -ENOMEM;
                 goto out_misc;
         }
diff --git a/drivers/s390/crypto/zcrypt_api.h b/drivers/s390/crypto/zcrypt_api.h
index 5c6e222b2ac4..1d1ec74dadb2 100644
--- a/drivers/s390/crypto/zcrypt_api.h
+++ b/drivers/s390/crypto/zcrypt_api.h
@@ -30,34 +30,6 @@
 #ifndef _ZCRYPT_API_H_
 #define _ZCRYPT_API_H_
 
-/**
- * Macro definitions
- *
- * PDEBUG debugs in the form "zcrypt: function_name -> message"
- *
- * PRINTK is like PDEBUG, except that it is always enabled
- * PRINTKN is like PRINTK, except that it does not include the function name
- * PRINTKW is like PRINTK, except that it uses KERN_WARNING
- * PRINTKC is like PRINTK, except that it uses KERN_CRIT
- */
-#define DEV_NAME        "zcrypt"
-
-#define PRINTK(fmt, args...) \
-        printk(KERN_DEBUG DEV_NAME ": %s -> " fmt, __func__ , ## args)
-#define PRINTKN(fmt, args...) \
-        printk(KERN_DEBUG DEV_NAME ": " fmt, ## args)
-#define PRINTKW(fmt, args...) \
-        printk(KERN_WARNING DEV_NAME ": %s -> " fmt, __func__ , ## args)
-#define PRINTKC(fmt, args...) \
-        printk(KERN_CRIT DEV_NAME ": %s -> " fmt, __func__ , ## args)
-
-#ifdef ZCRYPT_DEBUG
-#define PDEBUG(fmt, args...) \
-        printk(KERN_DEBUG DEV_NAME ": %s -> " fmt, __func__ , ## args)
-#else
-#define PDEBUG(fmt, args...) do {} while (0)
-#endif
-
 #include "ap_bus.h"
 #include <asm/zcrypt.h>
 
diff --git a/drivers/s390/crypto/zcrypt_cex2a.c b/drivers/s390/crypto/zcrypt_cex2a.c
index 78ffba1dd613..54f4cbc3be9e 100644
--- a/drivers/s390/crypto/zcrypt_cex2a.c
+++ b/drivers/s390/crypto/zcrypt_cex2a.c
@@ -243,9 +243,6 @@ static int convert_response(struct zcrypt_device *zdev,
                 return convert_type80(zdev, reply,
                                       outputdata, outputdatalength);
         default: /* Unknown response type, this should NEVER EVER happen */
-                PRINTK("Unrecognized Message Header: %08x%08x\n",
-                       *(unsigned int *) reply->message,
-                       *(unsigned int *) (reply->message+4));
                 zdev->online = 0;
                 return -EAGAIN; /* repeat the request on a different device. */
         }
diff --git a/drivers/s390/crypto/zcrypt_error.h b/drivers/s390/crypto/zcrypt_error.h
index 3e27fe77d207..03ba27f05f92 100644
--- a/drivers/s390/crypto/zcrypt_error.h
+++ b/drivers/s390/crypto/zcrypt_error.h
@@ -92,10 +92,6 @@ static inline int convert_error(struct zcrypt_device *zdev,
 {
         struct error_hdr *ehdr = reply->message;
 
-        PRINTK("Hardware error : Type %02x Message Header: %08x%08x\n",
-               ehdr->type, *(unsigned int *) reply->message,
-               *(unsigned int *) (reply->message + 4));
-
         switch (ehdr->reply_code) {
         case REP82_ERROR_OPERAND_INVALID:
         case REP82_ERROR_OPERAND_SIZE:
@@ -123,8 +119,6 @@ static inline int convert_error(struct zcrypt_device *zdev,
                 zdev->online = 0;
                 return -EAGAIN;
         default:
-                PRINTKW("unknown type %02x reply code = %d\n",
-                        ehdr->type, ehdr->reply_code);
                 zdev->online = 0;
                 return -EAGAIN; /* repeat the request on a different device. */
         }
diff --git a/drivers/s390/crypto/zcrypt_pcica.c b/drivers/s390/crypto/zcrypt_pcica.c
index 6e93b4751782..12da4815ba8e 100644
--- a/drivers/s390/crypto/zcrypt_pcica.c
+++ b/drivers/s390/crypto/zcrypt_pcica.c
@@ -226,9 +226,6 @@ static int convert_response(struct zcrypt_device *zdev,
                 return convert_type84(zdev, reply,
                                       outputdata, outputdatalength);
         default: /* Unknown response type, this should NEVER EVER happen */
-                PRINTK("Unrecognized Message Header: %08x%08x\n",
-                       *(unsigned int *) reply->message,
-                       *(unsigned int *) (reply->message+4));
                 zdev->online = 0;
                 return -EAGAIN; /* repeat the request on a different device. */
         }
diff --git a/drivers/s390/crypto/zcrypt_pcicc.c b/drivers/s390/crypto/zcrypt_pcicc.c
index 17ea56ce1c11..779952cb19fc 100644
--- a/drivers/s390/crypto/zcrypt_pcicc.c
+++ b/drivers/s390/crypto/zcrypt_pcicc.c
@@ -361,26 +361,18 @@ static int convert_type86(struct zcrypt_device *zdev,
         service_rc = le16_to_cpu(msg->cprb.ccp_rtcode);
         if (unlikely(service_rc != 0)) {
                 service_rs = le16_to_cpu(msg->cprb.ccp_rscode);
-                if (service_rc == 8 && service_rs == 66) {
-                        PDEBUG("Bad block format on PCICC\n");
+                if (service_rc == 8 && service_rs == 66)
                         return -EINVAL;
-                }
-                if (service_rc == 8 && service_rs == 65) {
-                        PDEBUG("Probably an even modulus on PCICC\n");
+                if (service_rc == 8 && service_rs == 65)
                         return -EINVAL;
-                }
                 if (service_rc == 8 && service_rs == 770) {
-                        PDEBUG("Invalid key length on PCICC\n");
                         zdev->max_mod_size = PCICC_MAX_MOD_SIZE_OLD;
                         return -EAGAIN;
                 }
                 if (service_rc == 8 && service_rs == 783) {
-                        PDEBUG("Extended bitlengths not enabled on PCICC\n");
                         zdev->max_mod_size = PCICC_MAX_MOD_SIZE_OLD;
                         return -EAGAIN;
                 }
-                PRINTK("Unknown service rc/rs (PCICC): %d/%d\n",
-                       service_rc, service_rs);
                 zdev->online = 0;
                 return -EAGAIN; /* repeat the request on a different device. */
         }
@@ -434,9 +426,6 @@ static int convert_response(struct zcrypt_device *zdev,
                                               outputdata, outputdatalength);
                 /* no break, incorrect cprb version is an unknown response */
         default: /* Unknown response type, this should NEVER EVER happen */
-                PRINTK("Unrecognized Message Header: %08x%08x\n",
-                       *(unsigned int *) reply->message,
-                       *(unsigned int *) (reply->message+4));
                 zdev->online = 0;
                 return -EAGAIN; /* repeat the request on a different device. */
         }
diff --git a/drivers/s390/crypto/zcrypt_pcixcc.c b/drivers/s390/crypto/zcrypt_pcixcc.c
index 4040c1c981d1..d8ad36f81540 100644
--- a/drivers/s390/crypto/zcrypt_pcixcc.c
+++ b/drivers/s390/crypto/zcrypt_pcixcc.c
@@ -290,38 +290,19 @@ static int XCRB_msg_to_type6CPRB_msgX(struct zcrypt_device *zdev,
         ap_msg->length = sizeof(struct type6_hdr) +
                 CEIL4(xcRB->request_control_blk_length) +
                 xcRB->request_data_length;
-        if (ap_msg->length > PCIXCC_MAX_XCRB_MESSAGE_SIZE) {
-                PRINTK("Combined message is too large (%ld/%d/%d).\n",
-                    sizeof(struct type6_hdr),
-                    xcRB->request_control_blk_length,
-                    xcRB->request_data_length);
+        if (ap_msg->length > PCIXCC_MAX_XCRB_MESSAGE_SIZE)
                 return -EFAULT;
-        }
-        if (CEIL4(xcRB->reply_control_blk_length) >
-            PCIXCC_MAX_XCRB_REPLY_SIZE) {
-                PDEBUG("Reply CPRB length is too large (%d).\n",
-                    xcRB->request_control_blk_length);
+        if (CEIL4(xcRB->reply_control_blk_length) > PCIXCC_MAX_XCRB_REPLY_SIZE)
                 return -EFAULT;
-        }
-        if (CEIL4(xcRB->reply_data_length) > PCIXCC_MAX_XCRB_DATA_SIZE) {
-                PDEBUG("Reply data block length is too large (%d).\n",
-                    xcRB->reply_data_length);
+        if (CEIL4(xcRB->reply_data_length) > PCIXCC_MAX_XCRB_DATA_SIZE)
                 return -EFAULT;
-        }
         replylen = CEIL4(xcRB->reply_control_blk_length) +
                 CEIL4(xcRB->reply_data_length) +
                 sizeof(struct type86_fmt2_msg);
         if (replylen > PCIXCC_MAX_XCRB_RESPONSE_SIZE) {
-                PDEBUG("Reply CPRB + data block > PCIXCC_MAX_XCRB_RESPONSE_SIZE"
-                       " (%d/%d/%d).\n",
-                       sizeof(struct type86_fmt2_msg),
-                       xcRB->reply_control_blk_length,
-                       xcRB->reply_data_length);
                 xcRB->reply_control_blk_length = PCIXCC_MAX_XCRB_RESPONSE_SIZE -
                         (sizeof(struct type86_fmt2_msg) +
                             CEIL4(xcRB->reply_data_length));
-                PDEBUG("Capping Reply CPRB length at %d\n",
-                       xcRB->reply_control_blk_length);
         }
 
         /* prepare type6 header */
@@ -340,11 +321,8 @@ static int XCRB_msg_to_type6CPRB_msgX(struct zcrypt_device *zdev,
                     xcRB->request_control_blk_length))
                 return -EFAULT;
         if (msg->cprbx.cprb_len + sizeof(msg->hdr.function_code) >
-            xcRB->request_control_blk_length) {
-                PDEBUG("cprb_len too large (%d/%d)\n", msg->cprbx.cprb_len,
-                    xcRB->request_control_blk_length);
+            xcRB->request_control_blk_length)
                 return -EFAULT;
-        }
         function_code = ((unsigned char *)&msg->cprbx) + msg->cprbx.cprb_len;
         memcpy(msg->hdr.function_code, function_code, sizeof(msg->hdr.function_code));
 
@@ -472,29 +450,18 @@ static int convert_type86_ica(struct zcrypt_device *zdev,
         service_rc = msg->cprbx.ccp_rtcode;
         if (unlikely(service_rc != 0)) {
                 service_rs = msg->cprbx.ccp_rscode;
-                if (service_rc == 8 && service_rs == 66) {
-                        PDEBUG("Bad block format on PCIXCC/CEX2C\n");
+                if (service_rc == 8 && service_rs == 66)
                         return -EINVAL;
-                }
-                if (service_rc == 8 && service_rs == 65) {
-                        PDEBUG("Probably an even modulus on PCIXCC/CEX2C\n");
+                if (service_rc == 8 && service_rs == 65)
                         return -EINVAL;
-                }
-                if (service_rc == 8 && service_rs == 770) {
-                        PDEBUG("Invalid key length on PCIXCC/CEX2C\n");
+                if (service_rc == 8 && service_rs == 770)
                         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");
+                if (service_rc == 12 && service_rs == 769)
                         return -EINVAL;
-                }
-                PRINTK("Unknown service rc/rs (PCIXCC/CEX2C): %d/%d\n",
-                       service_rc, service_rs);
                 zdev->online = 0;
                 return -EAGAIN; /* repeat the request on a different device. */
         }
@@ -570,11 +537,8 @@ static int convert_type86_rng(struct zcrypt_device *zdev,
         } __attribute__((packed)) *msg = reply->message;
         char *data = reply->message;
 
-        if (msg->cprbx.ccp_rtcode != 0 || msg->cprbx.ccp_rscode != 0) {
-                PDEBUG("RNG response error on PCIXCC/CEX2C rc=%hu/rs=%hu\n",
-                       rc, rs);
+        if (msg->cprbx.ccp_rtcode != 0 || msg->cprbx.ccp_rscode != 0)
                 return -EINVAL;
-        }
         memcpy(buffer, data + msg->fmt2.offset2, msg->fmt2.count2);
         return msg->fmt2.count2;
 }
@@ -599,9 +563,6 @@ static int convert_response_ica(struct zcrypt_device *zdev,
                                                   outputdata, outputdatalength);
                 /* no break, incorrect cprb version is an unknown response */
         default: /* Unknown response type, this should NEVER EVER happen */
-                PRINTK("Unrecognized Message Header: %08x%08x\n",
-                       *(unsigned int *) reply->message,
-                       *(unsigned int *) (reply->message+4));
                 zdev->online = 0;
                 return -EAGAIN; /* repeat the request on a different device. */
         }
@@ -628,9 +589,6 @@ static int convert_response_xcrb(struct zcrypt_device *zdev,
                         return convert_type86_xcrb(zdev, reply, xcRB);
                 /* no break, incorrect cprb version is an unknown response */
         default: /* Unknown response type, this should NEVER EVER happen */
-                PRINTK("Unrecognized Message Header: %08x%08x\n",
-                       *(unsigned int *) reply->message,
-                       *(unsigned int *) (reply->message+4));
                 xcRB->status = 0x0008044DL; /* HDD_InvalidParm */
                 zdev->online = 0;
                 return -EAGAIN; /* repeat the request on a different device. */
@@ -654,9 +612,6 @@ static int convert_response_rng(struct zcrypt_device *zdev,
                         return convert_type86_rng(zdev, reply, data);
                 /* no break, incorrect cprb version is an unknown response */
         default: /* Unknown response type, this should NEVER EVER happen */
-                PRINTK("Unrecognized Message Header: %08x%08x\n",
-                       *(unsigned int *) reply->message,
-                       *(unsigned int *) (reply->message+4));
                 zdev->online = 0;
                 return -EAGAIN; /* repeat the request on a different device. */
         }
@@ -701,10 +656,7 @@ static void zcrypt_pcixcc_receive(struct ap_device *ap_dev,
                         memcpy(msg->message, reply->message, length);
                         break;
                 default:
-                        PRINTK("Invalid internal response type: %i\n",
-                            resp_type->type);
-                        memcpy(msg->message, &error_reply,
-                            sizeof error_reply);
+                        memcpy(msg->message, &error_reply, sizeof error_reply);
                 }
         } else
                 memcpy(msg->message, reply->message, sizeof error_reply);