wireless: libertas: fix unaligned accesses

Signed-off-by: NCliff Cai <cliff.cai@analog.com>
Signed-off-by: NMike Frysinger <vapier@gentoo.org>
Signed-off-by: NBryan Wu <cooloney@kernel.org>
Acked-by: NDan Williams <dcbw@redhat.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/libertas/cmdresp.c

@@ -5,7 +5,7 @@
 #include <linux/delay.h>
 #include <linux/if_arp.h>
 #include <linux/netdevice.h>
-
+#include <asm/unaligned.h>
 #include <net/iw_handler.h>
 
 #include "host.h"
@@ -154,11 +154,11 @@ static int lbs_ret_802_11_rssi(struct lbs_private *priv,
 	lbs_deb_enter(LBS_DEB_CMD);
 
 	/* store the non average value */
-	priv->SNR[TYPE_BEACON][TYPE_NOAVG] = le16_to_cpu(rssirsp->SNR);
-	priv->NF[TYPE_BEACON][TYPE_NOAVG] = le16_to_cpu(rssirsp->noisefloor);
+	priv->SNR[TYPE_BEACON][TYPE_NOAVG] = get_unaligned_le16(&rssirsp->SNR);
+	priv->NF[TYPE_BEACON][TYPE_NOAVG] = get_unaligned_le16(&rssirsp->noisefloor);
 
-	priv->SNR[TYPE_BEACON][TYPE_AVG] = le16_to_cpu(rssirsp->avgSNR);
-	priv->NF[TYPE_BEACON][TYPE_AVG] = le16_to_cpu(rssirsp->avgnoisefloor);
+	priv->SNR[TYPE_BEACON][TYPE_AVG] = get_unaligned_le16(&rssirsp->avgSNR);
+	priv->NF[TYPE_BEACON][TYPE_AVG] = get_unaligned_le16(&rssirsp->avgnoisefloor);
 
 	priv->RSSI[TYPE_BEACON][TYPE_NOAVG] =
 	    CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG],

drivers/net/wireless/libertas/scan.c

@@ -1129,7 +1129,7 @@ static int lbs_ret_80211_scan(struct lbs_private *priv, unsigned long dummy,
 		goto done;
 	}
 
-	bytesleft = le16_to_cpu(scanresp->bssdescriptsize);
+	bytesleft = get_unaligned_le16(&scanresp->bssdescriptsize);
 	lbs_deb_scan("SCAN_RESP: bssdescriptsize %d\n", bytesleft);
 
 	scanrespsize = le16_to_cpu(resp->size);