[PATCH] libertas: don't byte-swap firmware version number. It's a byte array.

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

drivers/net/wireless/libertas/cmdresp.c

@@ -168,10 +168,11 @@ static int wlan_ret_get_hw_spec(wlan_private * priv,
 
 	adapter->fwcapinfo = le32_to_cpu(hwspec->fwcapinfo);
 
-	adapter->fwreleasenumber = le32_to_cpu(hwspec->fwreleasenumber);
+	memcpy(adapter->fwreleasenumber, hwspec->fwreleasenumber, 4);
 
-	lbs_deb_cmd("GET_HW_SPEC: FWReleaseVersion- 0x%X\n",
-	       adapter->fwreleasenumber);
+	lbs_deb_cmd("GET_HW_SPEC: FWReleaseVersion- %u.%u.%u.p%u\n",
+		    adapter->fwreleasenumber[2], adapter->fwreleasenumber[1],
+		    adapter->fwreleasenumber[0], adapter->fwreleasenumber[3]);
 	lbs_deb_cmd("GET_HW_SPEC: Permanent addr- %2x:%2x:%2x:%2x:%2x:%2x\n",
 	       hwspec->permanentaddr[0], hwspec->permanentaddr[1],
 	       hwspec->permanentaddr[2], hwspec->permanentaddr[3],

drivers/net/wireless/libertas/dev.h

@@ -205,7 +205,7 @@ struct assoc_request {
 /** Wlan adapter data structure*/
 struct _wlan_adapter {
 	/** STATUS variables */
-	u32 fwreleasenumber;
+	u8 fwreleasenumber[4];
 	u32 fwcapinfo;
 	/* protected with big lock */
 

drivers/net/wireless/libertas/hostcmd.h

@@ -165,8 +165,8 @@ struct cmd_ds_get_hw_spec {
 	/* Number of antenna used */
 	__le16 nr_antenna;
 
-	/* FW release number, example 0x1234=1.2.3.4 */
-	__le32 fwreleasenumber;
+	/* FW release number, example 1,2,3,4 = 3.2.1p4 */
+	u8 fwreleasenumber[4];
 
 	/* Base Address of TxPD queue */
 	__le32 wcb_base;

drivers/net/wireless/libertas/wext.c

@@ -2297,22 +2297,23 @@ static int wlan_set_wap(struct net_device *dev, struct iw_request_info *info,
 
 void libertas_get_fwversion(wlan_adapter * adapter, char *fwversion, int maxlen)
 {
-	union {
-		u32 l;
-		u8 c[4];
-	} ver;
 	char fwver[32];
 
 	mutex_lock(&adapter->lock);
-	ver.l = adapter->fwreleasenumber;
-	mutex_unlock(&adapter->lock);
 
-	if (ver.c[3] == 0)
-		sprintf(fwver, "%u.%u.%u", ver.c[2], ver.c[1], ver.c[0]);
+	if (adapter->fwreleasenumber[3] == 0)
+		sprintf(fwver, "%u.%u.%u",
+			adapter->fwreleasenumber[2],
+			adapter->fwreleasenumber[1],
+			adapter->fwreleasenumber[0]);
 	else
 		sprintf(fwver, "%u.%u.%u.p%u",
-			ver.c[2], ver.c[1], ver.c[0], ver.c[3]);
+			adapter->fwreleasenumber[2],
+			adapter->fwreleasenumber[1],
+			adapter->fwreleasenumber[0],
+			adapter->fwreleasenumber[3]);
 
+	mutex_unlock(&adapter->lock);
 	snprintf(fwversion, maxlen, fwver);
 }