diff --git a/drivers/net/wireless/libertas/assoc.c b/drivers/net/wireless/libertas/assoc.c
index 17e76ac4179cd831b03d04d0f696c8f4e861f7e4..4ce554ac900fb42479549637a9561f517fcad35f 100644
--- a/drivers/net/wireless/libertas/assoc.c
+++ b/drivers/net/wireless/libertas/assoc.c
@@ -279,7 +279,7 @@ int lbs_cmd_802_11_key_material(struct lbs_private *priv, uint16_t cmd_action,
 	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 
 	if (cmd_action == CMD_ACT_GET) {
-		cmd.hdr.size = cpu_to_le16(S_DS_GEN + 2);
+		cmd.hdr.size = cpu_to_le16(sizeof(struct cmd_header) + 2);
 	} else {
 		memset(cmd.keyParamSet, 0, sizeof(cmd.keyParamSet));
 
@@ -456,7 +456,8 @@ int lbs_cmd_802_11_rssi(struct lbs_private *priv,
 
 	lbs_deb_enter(LBS_DEB_CMD);
 	cmd->command = cpu_to_le16(CMD_802_11_RSSI);
-	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
+	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) +
+		sizeof(struct cmd_header));
 	cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
 
 	/* reset Beacon SNR/NF/RSSI values */
@@ -514,7 +515,7 @@ int lbs_cmd_bcn_ctrl(struct lbs_private *priv,
 	lbs_deb_enter(LBS_DEB_CMD);
 	cmd->size =
 	    cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
-			     + S_DS_GEN);
+			     + sizeof(struct cmd_header));
 	cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
 
 	bcn_ctrl->action = cpu_to_le16(cmd_action);
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index b7b562445cf14a525d4304bc32eb26cd25c9c59a..5326483b50d28e3f17812d161c0a8d4396191c40 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -239,7 +239,7 @@ static int lbs_cmd_802_11_ps_mode(struct cmd_ds_command *cmd,
 
 	cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
 	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
-				S_DS_GEN);
+				sizeof(struct cmd_header));
 	psm->action = cpu_to_le16(cmd_action);
 	psm->multipledtim = 0;
 	switch (cmd_action) {
@@ -534,7 +534,7 @@ static int lbs_cmd_802_11_monitor_mode(struct cmd_ds_command *cmd,
 	cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
 	cmd->size =
 	    cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
-			     S_DS_GEN);
+			     sizeof(struct cmd_header));
 
 	monitor->action = cpu_to_le16(cmd_action);
 	if (cmd_action == CMD_ACT_SET) {
@@ -643,7 +643,7 @@ static int lbs_cmd_reg_access(struct cmd_ds_command *cmdptr,
 
 			cmdptr->size =
 			    cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
-					+ S_DS_GEN);
+					+ sizeof(struct cmd_header));
 			macreg =
 			    (struct cmd_ds_mac_reg_access *)&cmdptr->params.
 			    macreg;
@@ -662,7 +662,7 @@ static int lbs_cmd_reg_access(struct cmd_ds_command *cmdptr,
 			cmdptr->size =
 			    cpu_to_le16(sizeof
 					     (struct cmd_ds_bbp_reg_access)
-					     + S_DS_GEN);
+					     + sizeof(struct cmd_header));
 			bbpreg =
 			    (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
 			    bbpreg;
@@ -681,7 +681,7 @@ static int lbs_cmd_reg_access(struct cmd_ds_command *cmdptr,
 			cmdptr->size =
 			    cpu_to_le16(sizeof
 					     (struct cmd_ds_rf_reg_access) +
-					     S_DS_GEN);
+					     sizeof(struct cmd_header));
 			rfreg =
 			    (struct cmd_ds_rf_reg_access *)&cmdptr->params.
 			    rfreg;
@@ -708,7 +708,8 @@ static int lbs_cmd_bt_access(struct cmd_ds_command *cmd,
 	lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
 
 	cmd->command = cpu_to_le16(CMD_BT_ACCESS);
-	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
+	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) +
+		sizeof(struct cmd_header));
 	cmd->result = 0;
 	bt_access->action = cpu_to_le16(cmd_action);
 
@@ -745,7 +746,8 @@ static int lbs_cmd_fwt_access(struct cmd_ds_command *cmd,
 	lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
 
 	cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
-	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
+	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) +
+		sizeof(struct cmd_header));
 	cmd->result = 0;
 
 	if (pdata_buf)
@@ -1161,7 +1163,7 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 
 		cmdptr->command = cpu_to_le16(cmd_no);
 		cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
-					   S_DS_GEN);
+					   sizeof(struct cmd_header));
 
 		memmove(&cmdptr->params.afc,
 			pdata_buf, sizeof(struct cmd_ds_802_11_afc));
@@ -1173,7 +1175,7 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 		cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
 		cmdptr->size =
 		    cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
-				     S_DS_GEN);
+				     sizeof(struct cmd_header));
 
 		memmove(&cmdptr->params.tpccfg,
 			pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
@@ -1194,7 +1196,7 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 		break;
 	case CMD_802_11_DEEP_SLEEP:
 		cmdptr->command = cpu_to_le16(CMD_802_11_DEEP_SLEEP);
-		cmdptr->size = cpu_to_le16(S_DS_GEN);
+		cmdptr->size = cpu_to_le16(sizeof(struct cmd_header));
 		break;
 	default:
 		lbs_pr_err("PREP_CMD: unknown command 0x%04x\n", cmd_no);
diff --git a/drivers/net/wireless/libertas/host.h b/drivers/net/wireless/libertas/host.h
index c600f67b2de3a7d491a836df4ed8fc3c047377ac..3809c0b4946455786ebacd4736506f83fd7882d6 100644
--- a/drivers/net/wireless/libertas/host.h
+++ b/drivers/net/wireless/libertas/host.h
@@ -389,19 +389,6 @@ struct lbs_offset_value {
 	u32 value;
 } __attribute__ ((packed));
 
-/* Define general data structure */
-/* cmd_DS_GEN */
-struct cmd_ds_gen {
-	__le16 command;
-	__le16 size;
-	__le16 seqnum;
-	__le16 result;
-	void *cmdresp[0];
-} __attribute__ ((packed));
-
-#define S_DS_GEN sizeof(struct cmd_ds_gen)
-
-
 /*
  * Define data structure for CMD_GET_HW_SPEC
  * This structure defines the response for the GET_HW_SPEC command
diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c
index 8273bcd216bed843fece30e90a453a06615b5b25..5f0a598a3b50a8d0762a8948749f89efbf99639b 100644
--- a/drivers/net/wireless/libertas/scan.c
+++ b/drivers/net/wireless/libertas/scan.c
@@ -1291,11 +1291,11 @@ static int lbs_ret_80211_scan(struct lbs_private *priv, unsigned long dummy,
 	/* The size of the TLV buffer is equal to the entire command response
 	 *   size (scanrespsize) minus the fixed fields (sizeof()'s), the
 	 *   BSS Descriptions (bssdescriptsize as bytesLef) and the command
-	 *   response header (S_DS_GEN)
+	 *   response header (sizeof(struct cmd_header))
 	 */
 	tlvbufsize = scanrespsize - (bytesleft + sizeof(scanresp->bssdescriptsize)
 				     + sizeof(scanresp->nr_sets)
-				     + S_DS_GEN);
+				     + sizeof(struct cmd_header));
 
 	/*
 	 *  Process each scan response returned (scanresp->nr_sets). Save