Re: [PATCH v4 04/16] block: sed-opal: close parameter list in cmd_finalize
From: Derrick, Jonathan <hidden>
Date: 2019-02-08 22:57:35
Also in:
lkml
Normally I wouldn't like decreasing the readability (having a STARTLIST without an ENDLIST in the same function), but this makes a lot of sense with 5/16 Acked-by: Jon Derrick <redacted> On Fri, 2019-02-01 at 21:50 +0100, David Kozub wrote:
quoted hunk ↗ jump to hunk
Every step ends by calling cmd_finalize (via finalize_and_send) yet every step adds the token OPAL_ENDLIST on its own. Moving this into cmd_finalize decreases code duplication. Co-authored-by: Jonas Rabenstein [off-list ref] Signed-off-by: David Kozub <redacted> Signed-off-by: Jonas Rabenstein <redacted> Reviewed-by: Scott Bauer <redacted> --- block/sed-opal.c | 25 +++---------------------- 1 file changed, 3 insertions(+), 22 deletions(-)diff --git a/block/sed-opal.c b/block/sed-opal.c index 980705681806..35b1747b650f 100644 --- a/block/sed-opal.c +++ b/block/sed-opal.c@@ -661,6 +661,9 @@ static int cmd_finalize(struct opal_dev *cmd, u32 hsn, u32 tsn) struct opal_header *hdr; int err = 0; + /* close parameter list */ + 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);@@ -1079,7 +1082,6 @@ static int gen_key(struct opal_dev *dev, void *data) 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); if (err) { pr_debug("Error building gen key command\n");@@ -1142,7 +1144,6 @@ 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;@@ -1188,7 +1189,6 @@ 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; }@@ -1254,8 +1254,6 @@ 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");@@ -1295,7 +1293,6 @@ static int start_generic_opal_session(struct opal_dev *dev, switch (auth) { case OPAL_ANYBODY_UID: - add_token_u8(&err, dev, OPAL_ENDLIST); break; case OPAL_ADMIN1_UID: case OPAL_SID_UID:@@ -1308,7 +1305,6 @@ 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);@@ -1406,7 +1402,6 @@ 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");@@ -1429,7 +1424,6 @@ static int revert_tper(struct opal_dev *dev, void *data) 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); if (err) { pr_debug("Error building REVERT TPER command.\n"); return err;@@ -1463,7 +1457,6 @@ 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");@@ -1490,7 +1483,6 @@ static int erase_locking_range(struct opal_dev *dev, void *data) 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); if (err) { pr_debug("Error building Erase Locking Range Command.\n");@@ -1521,7 +1513,6 @@ 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");@@ -1553,7 +1544,6 @@ 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");@@ -1585,7 +1575,6 @@ 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; }@@ -1694,7 +1683,6 @@ 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");@@ -1755,7 +1743,6 @@ 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");@@ -1843,11 +1830,8 @@ 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) {@@ -1904,7 +1888,6 @@ 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) {@@ -1964,8 +1947,6 @@ 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) {
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