[IRDA]: Use put_unaligned() in irlmp_do_discovery().
irda_device_info->hints[] is byte aligned but is being
accessed as a u16
Based upon a patch by Luke Yang <luke.adi@gmail.com>.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/irda/irlmp.c b/net/irda/irlmp.c
index c19e9ce..57ea160 100644
--- a/net/irda/irlmp.c
+++ b/net/irda/irlmp.c
@@ -44,6 +44,8 @@
#include <net/irda/irlmp.h>
#include <net/irda/irlmp_frame.h>
+#include <asm/unaligned.h>
+
static __u8 irlmp_find_free_slsap(void);
static int irlmp_slsap_inuse(__u8 slsap_sel);
@@ -840,6 +842,7 @@
void irlmp_do_discovery(int nslots)
{
struct lap_cb *lap;
+ __u16 *data_hintsp;
/* Make sure the value is sane */
if ((nslots != 1) && (nslots != 6) && (nslots != 8) && (nslots != 16)){
@@ -849,7 +852,8 @@
}
/* Construct new discovery info to be used by IrLAP, */
- u16ho(irlmp->discovery_cmd.data.hints) = irlmp->hints.word;
+ data_hintsp = (__u16 *) irlmp->discovery_cmd.data.hints;
+ put_unaligned(irlmp->hints.word, data_hintsp);
/*
* Set character set for device name (we use ASCII), and