libertas: rename and re-type bufvirtualaddr to cmdbuf

Make it a struct cmd_header, since that's what it is, and clean up
the places that it's used.

Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

8 files changed, 79 insertions, 100 deletions

diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index bb940cce3a7..79a8d0d48bf 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -1028,24 +1028,18 @@ void lbs_queue_cmd(struct lbs_private *priv,
         u8 addtail)
 {
         unsigned long flags;
-        struct cmd_ds_command *cmdptr;
 
         lbs_deb_enter(LBS_DEB_HOST);
 
-        if (!cmdnode) {
-                lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
-                goto done;
-        }
-
-        cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
-        if (!cmdptr) {
-                lbs_deb_host("QUEUE_CMD: cmdptr is NULL\n");
+        if (!cmdnode || !cmdnode->cmdbuf) {
+                lbs_deb_host("QUEUE_CMD: cmdnode or cmdbuf is NULL\n");
                 goto done;
         }
 
         /* Exit_PS command needs to be queued in the header always. */
-        if (le16_to_cpu(cmdptr->command) == CMD_802_11_PS_MODE) {
-                struct cmd_ds_802_11_ps_mode *psm = &cmdptr->params.psmode;
+        if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
+                struct cmd_ds_802_11_ps_mode *psm = (void *) cmdnode->cmdbuf;
+
                 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
                         if (priv->psstate != PS_STATE_FULL_POWER)
                                 addtail = 0;
@@ -1062,7 +1056,7 @@ void lbs_queue_cmd(struct lbs_private *priv,
         spin_unlock_irqrestore(&priv->driver_lock, flags);
 
         lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
-               le16_to_cpu(((struct cmd_ds_gen*)cmdnode->bufvirtualaddr)->command));
+               le16_to_cpu(cmdnode->cmdbuf->command));
 
 done:
         lbs_deb_leave(LBS_DEB_HOST);
@@ -1079,7 +1073,7 @@ static int DownloadcommandToStation(struct lbs_private *priv,
                                     struct cmd_ctrl_node *cmdnode)
 {
         unsigned long flags;
-        struct cmd_ds_command *cmdptr;
+        struct cmd_header *cmd;
         int ret = -1;
         u16 cmdsize;
         u16 command;
@@ -1091,10 +1085,10 @@ static int DownloadcommandToStation(struct lbs_private *priv,
                 goto done;
         }
 
-        cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
+        cmd = cmdnode->cmdbuf;
 
         spin_lock_irqsave(&priv->driver_lock, flags);
-        if (!cmdptr || !cmdptr->size) {
+        if (!cmd || !cmd->size) {
                 lbs_deb_host("DNLD_CMD: cmdptr is NULL or zero\n");
                 __lbs_cleanup_and_insert_cmd(priv, cmdnode);
                 spin_unlock_irqrestore(&priv->driver_lock, flags);
@@ -1105,16 +1099,16 @@ static int DownloadcommandToStation(struct lbs_private *priv,
         priv->cur_cmd_retcode = 0;
         spin_unlock_irqrestore(&priv->driver_lock, flags);
 
-        cmdsize = le16_to_cpu(cmdptr->size);
-        command = le16_to_cpu(cmdptr->command);
+        cmdsize = le16_to_cpu(cmd->size);
+        command = le16_to_cpu(cmd->command);
 
         lbs_deb_host("DNLD_CMD: command 0x%04x, size %d, jiffies %lu\n",
                     command, cmdsize, jiffies);
-        lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", cmdnode->bufvirtualaddr, cmdsize);
+        lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
 
         cmdnode->cmdwaitqwoken = 0;
 
-        ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmdptr, cmdsize);
+        ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
 
         if (ret != 0) {
                 lbs_deb_host("DNLD_CMD: hw_host_to_card failed\n");
@@ -1265,7 +1259,7 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 
         lbs_set_cmd_ctrl_node(priv, cmdnode, wait_option, pdata_buf);
 
-        cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
+        cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
 
         lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
 
@@ -1556,41 +1550,35 @@ EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command);
 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
 {
         int ret = 0;
-        u32 ulbufsize;
+        u32 bufsize;
         u32 i;
-        struct cmd_ctrl_node *tempcmd_array;
-        u8 *ptempvirtualaddr;
+        struct cmd_ctrl_node *cmdarray;
 
         lbs_deb_enter(LBS_DEB_HOST);
 
-        /* Allocate and initialize cmdCtrlNode */
-        ulbufsize = sizeof(struct cmd_ctrl_node) * MRVDRV_NUM_OF_CMD_BUFFER;
-
-        if (!(tempcmd_array = kzalloc(ulbufsize, GFP_KERNEL))) {
+        /* Allocate and initialize the command array */
+        bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
+        if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
                 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
                 ret = -1;
                 goto done;
         }
-        priv->cmd_array = tempcmd_array;
+        priv->cmd_array = cmdarray;
 
-        /* Allocate and initialize command buffers */
-        ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
-        for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
-                if (!(ptempvirtualaddr = kzalloc(ulbufsize, GFP_KERNEL))) {
+        /* Allocate and initialize each command buffer in the command array */
+        for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
+                cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
+                if (!cmdarray[i].cmdbuf) {
                         lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
                         ret = -1;
                         goto done;
                 }
-
-                /* Update command buffer virtual */
-                tempcmd_array[i].bufvirtualaddr = ptempvirtualaddr;
         }
 
-        for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
-                init_waitqueue_head(&tempcmd_array[i].cmdwait_q);
-                lbs_cleanup_and_insert_cmd(priv, &tempcmd_array[i]);
+        for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
+                init_waitqueue_head(&cmdarray[i].cmdwait_q);
+                lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
         }
-
         ret = 0;
 
 done:
@@ -1606,9 +1594,8 @@ done:
  */
 int lbs_free_cmd_buffer(struct lbs_private *priv)
 {
-        u32 ulbufsize; /* Someone needs to die for this. Slowly and painfully */
+        struct cmd_ctrl_node *cmdarray;
         unsigned int i;
-        struct cmd_ctrl_node *tempcmd_array;
 
         lbs_deb_enter(LBS_DEB_HOST);
 
@@ -1618,14 +1605,13 @@ int lbs_free_cmd_buffer(struct lbs_private *priv)
                 goto done;
         }
 
-        tempcmd_array = priv->cmd_array;
+        cmdarray = priv->cmd_array;
 
         /* Release shared memory buffers */
-        ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
-        for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
-                if (tempcmd_array[i].bufvirtualaddr) {
-                        kfree(tempcmd_array[i].bufvirtualaddr);
-                        tempcmd_array[i].bufvirtualaddr = NULL;
+        for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
+                if (cmdarray[i].cmdbuf) {
+                        kfree(cmdarray[i].cmdbuf);
+                        cmdarray[i].cmdbuf = NULL;
                 }
         }
 
@@ -1683,21 +1669,21 @@ struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
  *  @param ptempnode    A pointer to cmdCtrlNode structure
  *  @return             n/a
  */
-static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode)
+static void cleanup_cmdnode(struct cmd_ctrl_node *cmdnode)
 {
         lbs_deb_enter(LBS_DEB_HOST);
 
-        if (!ptempnode)
+        if (!cmdnode)
                 return;
-        ptempnode->cmdwaitqwoken = 1;
-        wake_up_interruptible(&ptempnode->cmdwait_q);
-        ptempnode->wait_option = 0;
-        ptempnode->pdata_buf = NULL;
-        ptempnode->callback = NULL;
-        ptempnode->callback_arg = 0;
+        cmdnode->cmdwaitqwoken = 1;
+        wake_up_interruptible(&cmdnode->cmdwait_q);
+        cmdnode->wait_option = 0;
+        cmdnode->pdata_buf = NULL;
+        cmdnode->callback = NULL;
+        cmdnode->callback_arg = 0;
 
-        if (ptempnode->bufvirtualaddr != NULL)
-                memset(ptempnode->bufvirtualaddr, 0, MRVDRV_SIZE_OF_CMD_BUFFER);
+        if (cmdnode->cmdbuf != NULL)
+                memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
 
         lbs_deb_leave(LBS_DEB_HOST);
 }
@@ -1739,7 +1725,7 @@ void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
 int lbs_execute_next_command(struct lbs_private *priv)
 {
         struct cmd_ctrl_node *cmdnode = NULL;
-        struct cmd_ds_command *cmdptr;
+        struct cmd_header *cmd;
         unsigned long flags;
         int ret = 0;
 
@@ -1765,22 +1751,21 @@ int lbs_execute_next_command(struct lbs_private *priv)
         spin_unlock_irqrestore(&priv->driver_lock, flags);
 
         if (cmdnode) {
-                cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
+                cmd = cmdnode->cmdbuf;
 
-                if (is_command_allowed_in_ps(le16_to_cpu(cmdptr->command))) {
+                if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
                         if ((priv->psstate == PS_STATE_SLEEP) ||
                             (priv->psstate == PS_STATE_PRE_SLEEP)) {
                                 lbs_deb_host(
                                        "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
-                                       le16_to_cpu(cmdptr->command),
+                                       le16_to_cpu(cmd->command),
                                        priv->psstate);
                                 ret = -1;
                                 goto done;
                         }
                         lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
-                               "0x%04x in psstate %d\n",
-                                    le16_to_cpu(cmdptr->command),
-                                    priv->psstate);
+                                     "0x%04x in psstate %d\n",
+                                     le16_to_cpu(cmd->command), priv->psstate);
                 } else if (priv->psstate != PS_STATE_FULL_POWER) {
                         /*
                          * 1. Non-PS command:
@@ -1793,8 +1778,7 @@ int lbs_execute_next_command(struct lbs_private *priv)
                          * otherwise send this command down to firmware
                          * immediately.
                          */
-                        if (cmdptr->command !=
-                            cpu_to_le16(CMD_802_11_PS_MODE)) {
+                        if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
                                 /*  Prepare to send Exit PS,
                                  *  this non PS command will be sent later */
                                 if ((priv->psstate == PS_STATE_SLEEP)
@@ -1813,8 +1797,7 @@ int lbs_execute_next_command(struct lbs_private *priv)
                                  * PS command. Ignore it if it is not Exit_PS.
                                  * otherwise send it down immediately.
                                  */
-                                struct cmd_ds_802_11_ps_mode *psm =
-                                    &cmdptr->params.psmode;
+                                struct cmd_ds_802_11_ps_mode *psm = (void *)cmd;
 
                                 lbs_deb_host(
                                        "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
@@ -1848,7 +1831,7 @@ int lbs_execute_next_command(struct lbs_private *priv)
                 }
                 list_del(&cmdnode->list);
                 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
-                            le16_to_cpu(cmdptr->command));
+                            le16_to_cpu(cmd->command));
                 DownloadcommandToStation(priv, cmdnode);
         } else {
                 /*
@@ -2079,7 +2062,6 @@ int __lbs_cmd(struct lbs_private *priv, uint16_t command,
               unsigned long callback_arg)
 {
         struct cmd_ctrl_node *cmdnode;
-        struct cmd_header *send_cmd;
         unsigned long flags;
         int ret = 0;
 
@@ -2107,20 +2089,19 @@ int __lbs_cmd(struct lbs_private *priv, uint16_t command,
                 goto done;
         }
 
-        send_cmd = (struct cmd_header *) cmdnode->bufvirtualaddr;
         cmdnode->wait_option = CMD_OPTION_WAITFORRSP;
         cmdnode->callback = callback;
         cmdnode->callback_arg = callback_arg;
 
         /* Copy the incoming command to the buffer */
-        memcpy(send_cmd, in_cmd, in_cmd_size);
+        memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
 
         /* Set sequence number, clean result, move to buffer */
         priv->seqnum++;
-        send_cmd->command = cpu_to_le16(command);
-        send_cmd->size    = cpu_to_le16(in_cmd_size);
-        send_cmd->seqnum  = cpu_to_le16(priv->seqnum);
-        send_cmd->result  = 0;
+        cmdnode->cmdbuf->command = cpu_to_le16(command);
+        cmdnode->cmdbuf->size    = cpu_to_le16(in_cmd_size);
+        cmdnode->cmdbuf->seqnum  = cpu_to_le16(priv->seqnum);
+        cmdnode->cmdbuf->result  = 0;
 
         lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
 
diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c
index 671e323764c..b4cd7b79f54 100644
--- a/drivers/net/wireless/libertas/cmdresp.c
+++ b/drivers/net/wireless/libertas/cmdresp.c
@@ -491,8 +491,9 @@ static int lbs_ret_802_11_subscribe_event(struct lbs_private *priv,
 
 static inline int handle_cmd_response(struct lbs_private *priv,
                                       unsigned long dummy,
-                                      struct cmd_ds_command *resp)
+                                      struct cmd_header *cmd_response)
 {
+        struct cmd_ds_command *resp = (struct cmd_ds_command *) cmd_response;
         int ret = 0;
         unsigned long flags;
         uint16_t respcmd = le16_to_cpu(resp->command);
@@ -673,7 +674,7 @@ static inline int handle_cmd_response(struct lbs_private *priv,
 int lbs_process_rx_command(struct lbs_private *priv)
 {
         u16 respcmd;
-        struct cmd_ds_command *resp;
+        struct cmd_header *resp;
         int ret = 0;
         ulong flags;
         u16 result;
@@ -692,15 +693,14 @@ int lbs_process_rx_command(struct lbs_private *priv)
                 spin_unlock_irqrestore(&priv->driver_lock, flags);
                 goto done;
         }
-        resp = (struct cmd_ds_command *)(priv->cur_cmd->bufvirtualaddr);
+        resp = priv->cur_cmd->cmdbuf;
 
         respcmd = le16_to_cpu(resp->command);
         result = le16_to_cpu(resp->result);
 
         lbs_deb_host("CMD_RESP: response 0x%04x, size %d, jiffies %lu\n",
                 respcmd, priv->upld_len, jiffies);
-        lbs_deb_hex(LBS_DEB_HOST, "CMD_RESP", priv->cur_cmd->bufvirtualaddr,
-                    priv->upld_len);
+        lbs_deb_hex(LBS_DEB_HOST, "CMD_RESP", (void *) resp, priv->upld_len);
 
         if (!(respcmd & 0x8000)) {
                 lbs_deb_host("invalid response!\n");
@@ -716,7 +716,7 @@ int lbs_process_rx_command(struct lbs_private *priv)
         priv->cur_cmd_retcode = result;
 
         if (respcmd == CMD_RET(CMD_802_11_PS_MODE)) {
-                struct cmd_ds_802_11_ps_mode *psmode = &resp->params.psmode;
+                struct cmd_ds_802_11_ps_mode *psmode = (void *) resp;
                 u16 action = le16_to_cpu(psmode->action);
 
                 lbs_deb_host(
@@ -796,7 +796,7 @@ int lbs_process_rx_command(struct lbs_private *priv)
 
         if (priv->cur_cmd && priv->cur_cmd->callback) {
                 ret = priv->cur_cmd->callback(priv, priv->cur_cmd->callback_arg,
-                                (struct cmd_header *) resp);
+                                resp);
         } else
                 ret = handle_cmd_response(priv, 0, resp);
 
diff --git a/drivers/net/wireless/libertas/defs.h b/drivers/net/wireless/libertas/defs.h
index 04db6af72a5..9b98ae720bc 100644
--- a/drivers/net/wireless/libertas/defs.h
+++ b/drivers/net/wireless/libertas/defs.h
@@ -132,8 +132,8 @@ static inline void lbs_deb_hex(unsigned int grp, const char *prompt, u8 *buf, in
 */
 
 #define MRVDRV_MAX_MULTICAST_LIST_SIZE  32
-#define MRVDRV_NUM_OF_CMD_BUFFER        10
-#define MRVDRV_SIZE_OF_CMD_BUFFER       (2 * 1024)
+#define LBS_NUM_CMD_BUFFERS             10
+#define LBS_CMD_BUFFER_SIZE             (2 * 1024)
 #define MRVDRV_MAX_CHANNEL_SIZE         14
 #define MRVDRV_ASSOCIATION_TIME_OUT     255
 #define MRVDRV_SNAP_HEADER_LEN          8
diff --git a/drivers/net/wireless/libertas/hostcmd.h b/drivers/net/wireless/libertas/hostcmd.h
index a87c2174bbf..e5e2106cd5a 100644
--- a/drivers/net/wireless/libertas/hostcmd.h
+++ b/drivers/net/wireless/libertas/hostcmd.h
@@ -81,7 +81,7 @@ struct cmd_ctrl_node {
         int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *);
         unsigned long callback_arg;
         /* command data */
-        u8 *bufvirtualaddr;
+        struct cmd_header *cmdbuf;
         /* wait queue */
         u16 cmdwaitqwoken;
         wait_queue_head_t cmdwait_q;
diff --git a/drivers/net/wireless/libertas/if_cs.c b/drivers/net/wireless/libertas/if_cs.c
index 2acbe5dcff7..58143637c73 100644
--- a/drivers/net/wireless/libertas/if_cs.c
+++ b/drivers/net/wireless/libertas/if_cs.c
@@ -364,7 +364,7 @@ static int if_cs_receive_cmdres(struct lbs_private *priv, u8 *data, u32 *len)
         }
 
         *len = if_cs_read16(priv->card, IF_CS_C_CMD_LEN);
-        if ((*len == 0) || (*len > MRVDRV_SIZE_OF_CMD_BUFFER)) {
+        if ((*len == 0) || (*len > LBS_CMD_BUFFER_SIZE)) {
                 lbs_pr_err("card cmd buffer has invalid # of bytes (%d)\n", *len);
                 goto out;
         }
@@ -683,7 +683,7 @@ sbi_get_int_status_exit:
                         cmdbuf = priv->upld_buf;
                         priv->hisregcpy &= ~IF_CS_C_S_RX_UPLD_RDY;
                 } else {
-                        cmdbuf = priv->cur_cmd->bufvirtualaddr;
+                        cmdbuf = (u8 *) priv->cur_cmd->cmdbuf;
                 }
 
                 ret = if_cs_receive_cmdres(priv, cmdbuf, &priv->upld_len);
diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c
index 1ed72b9b6bf..7f829c86c45 100644
--- a/drivers/net/wireless/libertas/if_sdio.c
+++ b/drivers/net/wireless/libertas/if_sdio.c
@@ -142,14 +142,14 @@ static int if_sdio_handle_cmd(struct if_sdio_card *card,
                 goto out;
         }
 
-        if (size > MRVDRV_SIZE_OF_CMD_BUFFER) {
+        if (size > LBS_CMD_BUFFER_SIZE) {
                 lbs_deb_sdio("response packet too large (%d bytes)\n",
                         (int)size);
                 ret = -E2BIG;
                 goto out;
         }
 
-        memcpy(card->priv->cur_cmd->bufvirtualaddr, buffer, size);
+        memcpy(card->priv->cur_cmd->cmdbuf, buffer, size);
         card->priv->upld_len = size;
 
         card->int_cause |= MRVDRV_CMD_UPLD_RDY;
diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
index c94b6dfa20f..5f2d944312a 100644
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -639,7 +639,7 @@ static inline void process_cmdrequest(int recvlength, u8 *recvbuff,
                                       struct lbs_private *priv)
 {
         u8 *cmdbuf;
-        if (recvlength > MRVDRV_SIZE_OF_CMD_BUFFER) {
+        if (recvlength > LBS_CMD_BUFFER_SIZE) {
                 lbs_deb_usbd(&cardp->udev->dev,
                             "The receive buffer is too large\n");
                 kfree_skb(skb);
@@ -656,7 +656,7 @@ static inline void process_cmdrequest(int recvlength, u8 *recvbuff,
                 cmdbuf = priv->upld_buf;
                 priv->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY;
         } else
-                cmdbuf = priv->cur_cmd->bufvirtualaddr;
+                cmdbuf = (u8 *) priv->cur_cmd->cmdbuf;
 
         cardp->usb_int_cause |= MRVDRV_CMD_UPLD_RDY;
         priv->upld_len = (recvlength - MESSAGE_HEADER_LEN);
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 212cce34227..a081b91fb9b 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -890,23 +890,21 @@ done:
 static void command_timer_fn(unsigned long data)
 {
         struct lbs_private *priv = (struct lbs_private *)data;
-        struct cmd_ctrl_node *ptempnode;
-        struct cmd_ds_command *cmd;
+        struct cmd_ctrl_node *node;
         unsigned long flags;
 
-        ptempnode = priv->cur_cmd;
-        if (ptempnode == NULL) {
+        node = priv->cur_cmd;
+        if (node == NULL) {
                 lbs_deb_fw("ptempnode empty\n");
                 return;
         }
 
-        cmd = (struct cmd_ds_command *)ptempnode->bufvirtualaddr;
-        if (!cmd) {
+        if (!node->cmdbuf) {
                 lbs_deb_fw("cmd is NULL\n");
                 return;
         }
 
-        lbs_deb_fw("command_timer_fn fired, cmd %x\n", cmd->command);
+        lbs_deb_fw("command_timer_fn fired, cmd %x\n", node->cmdbuf->command);
 
         if (!priv->fw_ready)
                 return;
@@ -916,7 +914,7 @@ static void command_timer_fn(unsigned long data)
         spin_unlock_irqrestore(&priv->driver_lock, flags);
 
         lbs_deb_fw("re-sending same command because of timeout\n");
-        lbs_queue_cmd(priv, ptempnode, 0);
+        lbs_queue_cmd(priv, node, 0);
 
         wake_up_interruptible(&priv->waitq);