block/sed: Fix opal user range check and unused variables

Fixes check that the opal user is within the range, and cleans up unused
method variables.

Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Reviewed-by: Scott Bauer <scott.bauer@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/block/sed-opal.c b/block/sed-opal.c
index 1e18dca360fc501033762d4c505c2e32c4674ee6..14035f826b5e350dbec1710d60aca560f2c1066b 100644 (file)
--- a/block/sed-opal.c
+++ b/block/sed-opal.c
@@ -1023,7 +1023,6 @@ static int finalize_and_send(struct opal_dev *dev, cont_fn cont)
 
 static int gen_key(struct opal_dev *dev, void *data)
 {
-       const u8 *method;
        u8 uid[OPAL_UID_LENGTH];
        int err = 0;
 
@@ -1031,7 +1030,6 @@ static int gen_key(struct opal_dev *dev, void *data)
        set_comid(dev, dev->comid);
 
        memcpy(uid, dev->prev_data, min(sizeof(uid), dev->prev_d_len));
-       method = opalmethod[OPAL_GENKEY];
        kfree(dev->prev_data);
        dev->prev_data = NULL;
 
@@ -1669,7 +1667,6 @@ static int add_user_to_lr(struct opal_dev *dev, void *data)
 static int lock_unlock_locking_range(struct opal_dev *dev, void *data)
 {
        u8 lr_buffer[OPAL_UID_LENGTH];
-       const u8 *method;
        struct opal_lock_unlock *lkul = data;
        u8 read_locked = 1, write_locked = 1;
        int err = 0;
@@ -1677,7 +1674,6 @@ static int lock_unlock_locking_range(struct opal_dev *dev, void *data)
        clear_opal_cmd(dev);
        set_comid(dev, dev->comid);
 
-       method = opalmethod[OPAL_SET];
        if (build_locking_range(lr_buffer, sizeof(lr_buffer),
                                lkul->session.opal_key.lr) < 0)
                return -ERANGE;
@@ -1733,14 +1729,12 @@ static int lock_unlock_locking_range_sum(struct opal_dev *dev, void *data)
 {
        u8 lr_buffer[OPAL_UID_LENGTH];
        u8 read_locked = 1, write_locked = 1;
-       const u8 *method;
        struct opal_lock_unlock *lkul = data;
        int ret;
 
        clear_opal_cmd(dev);
        set_comid(dev, dev->comid);
 
-       method = opalmethod[OPAL_SET];
        if (build_locking_range(lr_buffer, sizeof(lr_buffer),
                                lkul->session.opal_key.lr) < 0)
                return -ERANGE;
@@ -2133,7 +2127,7 @@ static int opal_add_user_to_lr(struct opal_dev *dev,
                pr_err("Locking state was not RO or RW\n");
                return -EINVAL;
        }
-       if (lk_unlk->session.who < OPAL_USER1 &&
+       if (lk_unlk->session.who < OPAL_USER1 ||
            lk_unlk->session.who > OPAL_USER9) {
                pr_err("Authority was not within the range of users: %d\n",
                       lk_unlk->session.who);
@@ -2316,7 +2310,7 @@ static int opal_activate_user(struct opal_dev *dev,
        int ret;
 
        /* We can't activate Admin1 it's active as manufactured */
-       if (opal_session->who < OPAL_USER1 &&
+       if (opal_session->who < OPAL_USER1 ||
            opal_session->who > OPAL_USER9) {
                pr_err("Who was not a valid user: %d\n", opal_session->who);
                return -EINVAL;