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Subject[PATCH 3/8] block: sed-opal: unify cmd start and finalize
Date
Every step starts with resetting the cmd buffer as well as the comid and
constructs the appropriate OPAL_CALL command. Consequently, those
actions may be combined into one generic function.

Signed-off-by: Jonas Rabenstein <jonas.rabenstein@studium.uni-erlangen.de>
---
block/sed-opal.c | 243 +++++++++++++++----------------------------------------
1 file changed, 63 insertions(+), 180 deletions(-)

diff --git a/block/sed-opal.c b/block/sed-opal.c
index a228a13f0a08..22dbea7cf4d1 100644
--- a/block/sed-opal.c
+++ b/block/sed-opal.c
@@ -659,6 +659,7 @@ static int cmd_finalize(struct opal_dev *cmd, u32 hsn, u32 tsn)
struct opal_header *hdr;
int err = 0;

+ add_token_u8(&err, cmd, OPAL_ENDLIST);
add_token_u8(&err, cmd, OPAL_ENDOFDATA);
add_token_u8(&err, cmd, OPAL_STARTLIST);
add_token_u8(&err, cmd, 0);
@@ -1001,6 +1002,21 @@ static void clear_opal_cmd(struct opal_dev *dev)
memset(dev->cmd, 0, IO_BUFFER_LENGTH);
}

+static int start_opal_cmd(struct opal_dev *dev, const u8 *uid, const u8 *method)
+{
+ int err = 0;
+
+ clear_opal_cmd(dev);
+ set_comid(dev, dev->comid);
+
+ add_token_u8(&err, dev, OPAL_CALL);
+ add_token_bytestring(&err, dev, uid, OPAL_UID_LENGTH);
+ add_token_bytestring(&err, dev, method, OPAL_METHOD_LENGTH);
+ add_token_u8(&err, dev, OPAL_STARTLIST);
+
+ return err;
+}
+
static int start_opal_session_cont(struct opal_dev *dev)
{
u32 hsn, tsn;
@@ -1063,21 +1079,13 @@ static int finalize_and_send(struct opal_dev *dev, cont_fn cont)
static int gen_key(struct opal_dev *dev, void *data)
{
u8 uid[OPAL_UID_LENGTH];
- int err = 0;
-
- clear_opal_cmd(dev);
- set_comid(dev, dev->comid);
+ int err;

memcpy(uid, dev->prev_data, min(sizeof(uid), dev->prev_d_len));
kfree(dev->prev_data);
dev->prev_data = NULL;

- add_token_u8(&err, dev, OPAL_CALL);
- add_token_bytestring(&err, dev, uid, OPAL_UID_LENGTH);
- add_token_bytestring(&err, dev, opalmethod[OPAL_GENKEY],
- OPAL_UID_LENGTH);
- add_token_u8(&err, dev, OPAL_STARTLIST);
- add_token_u8(&err, dev, OPAL_ENDLIST);
+ err = start_opal_cmd(dev, uid, opalmethod[OPAL_GENKEY]);

if (err) {
pr_debug("Error building gen key command\n");
@@ -1115,21 +1123,14 @@ static int get_active_key_cont(struct opal_dev *dev)
static int get_active_key(struct opal_dev *dev, void *data)
{
u8 uid[OPAL_UID_LENGTH];
- int err = 0;
+ int err;
u8 *lr = data;

- clear_opal_cmd(dev);
- set_comid(dev, dev->comid);
-
err = build_locking_range(uid, sizeof(uid), *lr);
if (err)
return err;

- err = 0;
- add_token_u8(&err, dev, OPAL_CALL);
- add_token_bytestring(&err, dev, uid, OPAL_UID_LENGTH);
- add_token_bytestring(&err, dev, opalmethod[OPAL_GET], OPAL_UID_LENGTH);
- add_token_u8(&err, dev, OPAL_STARTLIST);
+ err = start_opal_cmd(dev, uid, opalmethod[OPAL_GET]);
add_token_u8(&err, dev, OPAL_STARTLIST);
add_token_u8(&err, dev, OPAL_STARTNAME);
add_token_u8(&err, dev, 3); /* startCloumn */
@@ -1140,7 +1141,6 @@ static int get_active_key(struct opal_dev *dev, void *data)
add_token_u8(&err, dev, 10); /* ActiveKey */
add_token_u8(&err, dev, OPAL_ENDNAME);
add_token_u8(&err, dev, OPAL_ENDLIST);
- add_token_u8(&err, dev, OPAL_ENDLIST);
if (err) {
pr_debug("Error building get active key command\n");
return err;
@@ -1153,13 +1153,10 @@ static int generic_lr_enable_disable(struct opal_dev *dev,
u8 *uid, bool rle, bool wle,
bool rl, bool wl)
{
- int err = 0;
+ int err;

- add_token_u8(&err, dev, OPAL_CALL);
- add_token_bytestring(&err, dev, uid, OPAL_UID_LENGTH);
- add_token_bytestring(&err, dev, opalmethod[OPAL_SET], OPAL_UID_LENGTH);
+ err = start_opal_cmd(dev, uid, opalmethod[OPAL_SET]);

- add_token_u8(&err, dev, OPAL_STARTLIST);
add_token_u8(&err, dev, OPAL_STARTNAME);
add_token_u8(&err, dev, OPAL_VALUES);
add_token_u8(&err, dev, OPAL_STARTLIST);
@@ -1186,7 +1183,6 @@ static int generic_lr_enable_disable(struct opal_dev *dev,

add_token_u8(&err, dev, OPAL_ENDLIST);
add_token_u8(&err, dev, OPAL_ENDNAME);
- add_token_u8(&err, dev, OPAL_ENDLIST);
return err;
}

@@ -1207,10 +1203,7 @@ static int setup_locking_range(struct opal_dev *dev, void *data)
u8 uid[OPAL_UID_LENGTH];
struct opal_user_lr_setup *setup = data;
u8 lr;
- int err = 0;
-
- clear_opal_cmd(dev);
- set_comid(dev, dev->comid);
+ int err;

lr = setup->session.opal_key.lr;
err = build_locking_range(uid, sizeof(uid), lr);
@@ -1220,12 +1213,8 @@ static int setup_locking_range(struct opal_dev *dev, void *data)
if (lr == 0)
err = enable_global_lr(dev, uid, setup);
else {
- add_token_u8(&err, dev, OPAL_CALL);
- add_token_bytestring(&err, dev, uid, OPAL_UID_LENGTH);
- add_token_bytestring(&err, dev, opalmethod[OPAL_SET],
- OPAL_UID_LENGTH);
+ err = start_opal_cmd(dev, uid, opalmethod[OPAL_SET]);

- add_token_u8(&err, dev, OPAL_STARTLIST);
add_token_u8(&err, dev, OPAL_STARTNAME);
add_token_u8(&err, dev, OPAL_VALUES);
add_token_u8(&err, dev, OPAL_STARTLIST);
@@ -1252,8 +1241,6 @@ static int setup_locking_range(struct opal_dev *dev, void *data)

add_token_u8(&err, dev, OPAL_ENDLIST);
add_token_u8(&err, dev, OPAL_ENDNAME);
- add_token_u8(&err, dev, OPAL_ENDLIST);
-
}
if (err) {
pr_debug("Error building Setup Locking range command.\n");
@@ -1271,29 +1258,21 @@ static int start_generic_opal_session(struct opal_dev *dev,
u8 key_len)
{
u32 hsn;
- int err = 0;
+ int err;

if (key == NULL && auth != OPAL_ANYBODY_UID)
return OPAL_INVAL_PARAM;

- clear_opal_cmd(dev);
-
- set_comid(dev, dev->comid);
hsn = GENERIC_HOST_SESSION_NUM;
+ err = start_opal_cmd(dev, opaluid[OPAL_SMUID_UID],
+ opalmethod[OPAL_STARTSESSION]);

- add_token_u8(&err, dev, OPAL_CALL);
- add_token_bytestring(&err, dev, opaluid[OPAL_SMUID_UID],
- OPAL_UID_LENGTH);
- add_token_bytestring(&err, dev, opalmethod[OPAL_STARTSESSION],
- OPAL_UID_LENGTH);
- add_token_u8(&err, dev, OPAL_STARTLIST);
add_token_u64(&err, dev, hsn);
add_token_bytestring(&err, dev, opaluid[sp_type], OPAL_UID_LENGTH);
add_token_u8(&err, dev, 1);

switch (auth) {
case OPAL_ANYBODY_UID:
- add_token_u8(&err, dev, OPAL_ENDLIST);
break;
case OPAL_ADMIN1_UID:
case OPAL_SID_UID:
@@ -1306,7 +1285,6 @@ static int start_generic_opal_session(struct opal_dev *dev,
add_token_bytestring(&err, dev, opaluid[auth],
OPAL_UID_LENGTH);
add_token_u8(&err, dev, OPAL_ENDNAME);
- add_token_u8(&err, dev, OPAL_ENDLIST);
break;
default:
pr_debug("Cannot start Admin SP session with auth %d\n", auth);
@@ -1366,30 +1344,21 @@ static int start_auth_opal_session(struct opal_dev *dev, void *data)
u8 *key = session->opal_key.key;
u32 hsn = GENERIC_HOST_SESSION_NUM;

- clear_opal_cmd(dev);
- set_comid(dev, dev->comid);
-
- if (session->sum) {
+ if (session->sum)
err = build_locking_user(lk_ul_user, sizeof(lk_ul_user),
session->opal_key.lr);
- if (err)
- return err;
-
- } else if (session->who != OPAL_ADMIN1 && !session->sum) {
+ else if (session->who != OPAL_ADMIN1 && !session->sum)
err = build_locking_user(lk_ul_user, sizeof(lk_ul_user),
session->who - 1);
- if (err)
- return err;
- } else
+ else
memcpy(lk_ul_user, opaluid[OPAL_ADMIN1_UID], OPAL_UID_LENGTH);

- add_token_u8(&err, dev, OPAL_CALL);
- add_token_bytestring(&err, dev, opaluid[OPAL_SMUID_UID],
- OPAL_UID_LENGTH);
- add_token_bytestring(&err, dev, opalmethod[OPAL_STARTSESSION],
- OPAL_UID_LENGTH);
+ if (err)
+ return err;
+
+ err = start_opal_cmd(dev, opaluid[OPAL_SMUID_UID],
+ opalmethod[OPAL_STARTSESSION]);

- add_token_u8(&err, dev, OPAL_STARTLIST);
add_token_u64(&err, dev, hsn);
add_token_bytestring(&err, dev, opaluid[OPAL_LOCKINGSP_UID],
OPAL_UID_LENGTH);
@@ -1402,7 +1371,6 @@ static int start_auth_opal_session(struct opal_dev *dev, void *data)
add_token_u8(&err, dev, 3);
add_token_bytestring(&err, dev, lk_ul_user, OPAL_UID_LENGTH);
add_token_u8(&err, dev, OPAL_ENDNAME);
- add_token_u8(&err, dev, OPAL_ENDLIST);

if (err) {
pr_debug("Error building STARTSESSION command.\n");
@@ -1414,18 +1382,10 @@ static int start_auth_opal_session(struct opal_dev *dev, void *data)

static int revert_tper(struct opal_dev *dev, void *data)
{
- int err = 0;
-
- clear_opal_cmd(dev);
- set_comid(dev, dev->comid);
+ int err;

- add_token_u8(&err, dev, OPAL_CALL);
- add_token_bytestring(&err, dev, opaluid[OPAL_ADMINSP_UID],
- OPAL_UID_LENGTH);
- add_token_bytestring(&err, dev, opalmethod[OPAL_REVERT],
- OPAL_UID_LENGTH);
- add_token_u8(&err, dev, OPAL_STARTLIST);
- add_token_u8(&err, dev, OPAL_ENDLIST);
+ err = start_opal_cmd(dev, opaluid[OPAL_ADMINSP_UID],
+ opalmethod[OPAL_REVERT]);
if (err) {
pr_debug("Error building REVERT TPER command.\n");
return err;
@@ -1438,18 +1398,12 @@ static int internal_activate_user(struct opal_dev *dev, void *data)
{
struct opal_session_info *session = data;
u8 uid[OPAL_UID_LENGTH];
- int err = 0;
-
- clear_opal_cmd(dev);
- set_comid(dev, dev->comid);
+ int err;

memcpy(uid, opaluid[OPAL_USER1_UID], OPAL_UID_LENGTH);
uid[7] = session->who;

- add_token_u8(&err, dev, OPAL_CALL);
- add_token_bytestring(&err, dev, uid, OPAL_UID_LENGTH);
- add_token_bytestring(&err, dev, opalmethod[OPAL_SET], OPAL_UID_LENGTH);
- add_token_u8(&err, dev, OPAL_STARTLIST);
+ err = start_opal_cmd(dev, uid, opalmethod[OPAL_SET]);
add_token_u8(&err, dev, OPAL_STARTNAME);
add_token_u8(&err, dev, OPAL_VALUES);
add_token_u8(&err, dev, OPAL_STARTLIST);
@@ -1459,7 +1413,6 @@ static int internal_activate_user(struct opal_dev *dev, void *data)
add_token_u8(&err, dev, OPAL_ENDNAME);
add_token_u8(&err, dev, OPAL_ENDLIST);
add_token_u8(&err, dev, OPAL_ENDNAME);
- add_token_u8(&err, dev, OPAL_ENDLIST);

if (err) {
pr_debug("Error building Activate UserN command.\n");
@@ -1473,20 +1426,12 @@ static int erase_locking_range(struct opal_dev *dev, void *data)
{
struct opal_session_info *session = data;
u8 uid[OPAL_UID_LENGTH];
- int err = 0;
-
- clear_opal_cmd(dev);
- set_comid(dev, dev->comid);
+ int err;

if (build_locking_range(uid, sizeof(uid), session->opal_key.lr) < 0)
return -ERANGE;

- add_token_u8(&err, dev, OPAL_CALL);
- add_token_bytestring(&err, dev, uid, OPAL_UID_LENGTH);
- add_token_bytestring(&err, dev, opalmethod[OPAL_ERASE],
- OPAL_UID_LENGTH);
- add_token_u8(&err, dev, OPAL_STARTLIST);
- add_token_u8(&err, dev, OPAL_ENDLIST);
+ err = start_opal_cmd(dev, uid, opalmethod[OPAL_ERASE]);

if (err) {
pr_debug("Error building Erase Locking Range Command.\n");
@@ -1498,16 +1443,11 @@ static int erase_locking_range(struct opal_dev *dev, void *data)
static int set_mbr_done(struct opal_dev *dev, void *data)
{
u8 *mbr_done_tf = data;
- int err = 0;
+ int err;

- clear_opal_cmd(dev);
- set_comid(dev, dev->comid);
+ err = start_opal_cmd(dev, opaluid[OPAL_MBRCONTROL],
+ opalmethod[OPAL_SET]);

- add_token_u8(&err, dev, OPAL_CALL);
- add_token_bytestring(&err, dev, opaluid[OPAL_MBRCONTROL],
- OPAL_UID_LENGTH);
- add_token_bytestring(&err, dev, opalmethod[OPAL_SET], OPAL_UID_LENGTH);
- add_token_u8(&err, dev, OPAL_STARTLIST);
add_token_u8(&err, dev, OPAL_STARTNAME);
add_token_u8(&err, dev, OPAL_VALUES);
add_token_u8(&err, dev, OPAL_STARTLIST);
@@ -1517,7 +1457,6 @@ static int set_mbr_done(struct opal_dev *dev, void *data)
add_token_u8(&err, dev, OPAL_ENDNAME);
add_token_u8(&err, dev, OPAL_ENDLIST);
add_token_u8(&err, dev, OPAL_ENDNAME);
- add_token_u8(&err, dev, OPAL_ENDLIST);

if (err) {
pr_debug("Error Building set MBR Done command\n");
@@ -1530,16 +1469,11 @@ static int set_mbr_done(struct opal_dev *dev, void *data)
static int set_mbr_enable_disable(struct opal_dev *dev, void *data)
{
u8 *mbr_en_dis = data;
- int err = 0;
+ int err;

- clear_opal_cmd(dev);
- set_comid(dev, dev->comid);
+ err = start_opal_cmd(dev, opaluid[OPAL_MBRCONTROL],
+ opalmethod[OPAL_SET]);

- add_token_u8(&err, dev, OPAL_CALL);
- add_token_bytestring(&err, dev, opaluid[OPAL_MBRCONTROL],
- OPAL_UID_LENGTH);
- add_token_bytestring(&err, dev, opalmethod[OPAL_SET], OPAL_UID_LENGTH);
- add_token_u8(&err, dev, OPAL_STARTLIST);
add_token_u8(&err, dev, OPAL_STARTNAME);
add_token_u8(&err, dev, OPAL_VALUES);
add_token_u8(&err, dev, OPAL_STARTLIST);
@@ -1549,7 +1483,6 @@ static int set_mbr_enable_disable(struct opal_dev *dev, void *data)
add_token_u8(&err, dev, OPAL_ENDNAME);
add_token_u8(&err, dev, OPAL_ENDLIST);
add_token_u8(&err, dev, OPAL_ENDNAME);
- add_token_u8(&err, dev, OPAL_ENDLIST);

if (err) {
pr_debug("Error Building set MBR done command\n");
@@ -1562,16 +1495,10 @@ static int set_mbr_enable_disable(struct opal_dev *dev, void *data)
static int generic_pw_cmd(u8 *key, size_t key_len, u8 *cpin_uid,
struct opal_dev *dev)
{
- int err = 0;
+ int err;

- clear_opal_cmd(dev);
- set_comid(dev, dev->comid);
+ err = start_opal_cmd(dev, cpin_uid, opalmethod[OPAL_SET]);

- add_token_u8(&err, dev, OPAL_CALL);
- add_token_bytestring(&err, dev, cpin_uid, OPAL_UID_LENGTH);
- add_token_bytestring(&err, dev, opalmethod[OPAL_SET],
- OPAL_UID_LENGTH);
- add_token_u8(&err, dev, OPAL_STARTLIST);
add_token_u8(&err, dev, OPAL_STARTNAME);
add_token_u8(&err, dev, OPAL_VALUES);
add_token_u8(&err, dev, OPAL_STARTLIST);
@@ -1581,7 +1508,6 @@ static int generic_pw_cmd(u8 *key, size_t key_len, u8 *cpin_uid,
add_token_u8(&err, dev, OPAL_ENDNAME);
add_token_u8(&err, dev, OPAL_ENDLIST);
add_token_u8(&err, dev, OPAL_ENDNAME);
- add_token_u8(&err, dev, OPAL_ENDLIST);

return err;
}
@@ -1629,10 +1555,7 @@ static int add_user_to_lr(struct opal_dev *dev, void *data)
u8 lr_buffer[OPAL_UID_LENGTH];
u8 user_uid[OPAL_UID_LENGTH];
struct opal_lock_unlock *lkul = data;
- int err = 0;
-
- clear_opal_cmd(dev);
- set_comid(dev, dev->comid);
+ int err;

memcpy(lr_buffer, opaluid[OPAL_LOCKINGRANGE_ACE_RDLOCKED],
OPAL_UID_LENGTH);
@@ -1647,12 +1570,8 @@ static int add_user_to_lr(struct opal_dev *dev, void *data)

user_uid[7] = lkul->session.who;

- add_token_u8(&err, dev, OPAL_CALL);
- add_token_bytestring(&err, dev, lr_buffer, OPAL_UID_LENGTH);
- add_token_bytestring(&err, dev, opalmethod[OPAL_SET],
- OPAL_UID_LENGTH);
+ err = start_opal_cmd(dev, lr_buffer, opalmethod[OPAL_SET]);

- add_token_u8(&err, dev, OPAL_STARTLIST);
add_token_u8(&err, dev, OPAL_STARTNAME);
add_token_u8(&err, dev, OPAL_VALUES);

@@ -1690,7 +1609,6 @@ static int add_user_to_lr(struct opal_dev *dev, void *data)
add_token_u8(&err, dev, OPAL_ENDNAME);
add_token_u8(&err, dev, OPAL_ENDLIST);
add_token_u8(&err, dev, OPAL_ENDNAME);
- add_token_u8(&err, dev, OPAL_ENDLIST);

if (err) {
pr_debug("Error building add user to locking range command.\n");
@@ -1707,9 +1625,6 @@ static int lock_unlock_locking_range(struct opal_dev *dev, void *data)
u8 read_locked = 1, write_locked = 1;
int err = 0;

- clear_opal_cmd(dev);
- set_comid(dev, dev->comid);
-
if (build_locking_range(lr_buffer, sizeof(lr_buffer),
lkul->session.opal_key.lr) < 0)
return -ERANGE;
@@ -1731,10 +1646,8 @@ static int lock_unlock_locking_range(struct opal_dev *dev, void *data)
return OPAL_INVAL_PARAM;
}

- add_token_u8(&err, dev, OPAL_CALL);
- add_token_bytestring(&err, dev, lr_buffer, OPAL_UID_LENGTH);
- add_token_bytestring(&err, dev, opalmethod[OPAL_SET], OPAL_UID_LENGTH);
- add_token_u8(&err, dev, OPAL_STARTLIST);
+ err = start_opal_cmd(dev, lr_buffer, opalmethod[OPAL_SET]);
+
add_token_u8(&err, dev, OPAL_STARTNAME);
add_token_u8(&err, dev, OPAL_VALUES);
add_token_u8(&err, dev, OPAL_STARTLIST);
@@ -1751,7 +1664,6 @@ static int lock_unlock_locking_range(struct opal_dev *dev, void *data)

add_token_u8(&err, dev, OPAL_ENDLIST);
add_token_u8(&err, dev, OPAL_ENDNAME);
- add_token_u8(&err, dev, OPAL_ENDLIST);

if (err) {
pr_debug("Error building SET command.\n");
@@ -1806,17 +1718,10 @@ static int activate_lsp(struct opal_dev *dev, void *data)
struct opal_lr_act *opal_act = data;
u8 user_lr[OPAL_UID_LENGTH];
u8 uint_3 = 0x83;
- int err = 0, i;
-
- clear_opal_cmd(dev);
- set_comid(dev, dev->comid);
-
- add_token_u8(&err, dev, OPAL_CALL);
- add_token_bytestring(&err, dev, opaluid[OPAL_LOCKINGSP_UID],
- OPAL_UID_LENGTH);
- add_token_bytestring(&err, dev, opalmethod[OPAL_ACTIVATE],
- OPAL_UID_LENGTH);
+ int err, i;

+ err = start_opal_cmd(dev, opaluid[OPAL_LOCKINGSP_UID],
+ opalmethod[OPAL_ACTIVATE]);

if (opal_act->sum) {
err = build_locking_range(user_lr, sizeof(user_lr),
@@ -1824,7 +1729,6 @@ static int activate_lsp(struct opal_dev *dev, void *data)
if (err)
return err;

- add_token_u8(&err, dev, OPAL_STARTLIST);
add_token_u8(&err, dev, OPAL_STARTNAME);
add_token_u8(&err, dev, uint_3);
add_token_u8(&err, dev, 6);
@@ -1839,11 +1743,6 @@ static int activate_lsp(struct opal_dev *dev, void *data)
}
add_token_u8(&err, dev, OPAL_ENDLIST);
add_token_u8(&err, dev, OPAL_ENDNAME);
- add_token_u8(&err, dev, OPAL_ENDLIST);
-
- } else {
- add_token_u8(&err, dev, OPAL_STARTLIST);
- add_token_u8(&err, dev, OPAL_ENDLIST);
}

if (err) {
@@ -1877,17 +1776,11 @@ static int get_lsp_lifecycle_cont(struct opal_dev *dev)
/* Determine if we're in the Manufactured Inactive or Active state */
static int get_lsp_lifecycle(struct opal_dev *dev, void *data)
{
- int err = 0;
+ int err;

- clear_opal_cmd(dev);
- set_comid(dev, dev->comid);
-
- add_token_u8(&err, dev, OPAL_CALL);
- add_token_bytestring(&err, dev, opaluid[OPAL_LOCKINGSP_UID],
- OPAL_UID_LENGTH);
- add_token_bytestring(&err, dev, opalmethod[OPAL_GET], OPAL_UID_LENGTH);
+ err = start_opal_cmd(dev, opaluid[OPAL_LOCKINGSP_UID],
+ opalmethod[OPAL_GET]);

- add_token_u8(&err, dev, OPAL_STARTLIST);
add_token_u8(&err, dev, OPAL_STARTLIST);

add_token_u8(&err, dev, OPAL_STARTNAME);
@@ -1900,7 +1793,6 @@ static int get_lsp_lifecycle(struct opal_dev *dev, void *data)
add_token_u8(&err, dev, 6); /* Lifecycle Column */
add_token_u8(&err, dev, OPAL_ENDNAME);

- add_token_u8(&err, dev, OPAL_ENDLIST);
add_token_u8(&err, dev, OPAL_ENDLIST);

if (err) {
@@ -1938,19 +1830,12 @@ static int get_msid_cpin_pin_cont(struct opal_dev *dev)

static int get_msid_cpin_pin(struct opal_dev *dev, void *data)
{
- int err = 0;
+ int err;

- clear_opal_cmd(dev);
- set_comid(dev, dev->comid);
+ err = start_opal_cmd(dev, opaluid[OPAL_C_PIN_MSID],
+ opalmethod[OPAL_GET]);

- add_token_u8(&err, dev, OPAL_CALL);
- add_token_bytestring(&err, dev, opaluid[OPAL_C_PIN_MSID],
- OPAL_UID_LENGTH);
- add_token_bytestring(&err, dev, opalmethod[OPAL_GET], OPAL_UID_LENGTH);
-
- add_token_u8(&err, dev, OPAL_STARTLIST);
add_token_u8(&err, dev, OPAL_STARTLIST);
-
add_token_u8(&err, dev, OPAL_STARTNAME);
add_token_u8(&err, dev, 3); /* Start Column */
add_token_u8(&err, dev, 3); /* PIN */
@@ -1960,8 +1845,6 @@ static int get_msid_cpin_pin(struct opal_dev *dev, void *data)
add_token_u8(&err, dev, 4); /* End Column */
add_token_u8(&err, dev, 3); /* Lifecycle Column */
add_token_u8(&err, dev, OPAL_ENDNAME);
-
- add_token_u8(&err, dev, OPAL_ENDLIST);
add_token_u8(&err, dev, OPAL_ENDLIST);

if (err) {
--
2.16.1
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