irda: Fix a misalign access issue. (v2)
Replace u16ho with put/get_unaligned functions
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/irda/discovery.c b/net/irda/discovery.c
index bfacef8..a6f99b5 100644
--- a/net/irda/discovery.c
+++ b/net/irda/discovery.c
@@ -40,6 +40,8 @@
#include <net/irda/discovery.h>
+#include <asm/unaligned.h>
+
/*
* Function irlmp_add_discovery (cachelog, discovery)
*
@@ -87,7 +89,7 @@
*/
hashbin_remove_this(cachelog, (irda_queue_t *) node);
/* Check if hints bits are unchanged */
- if(u16ho(node->data.hints) == u16ho(new->data.hints))
+ if (get_unaligned((__u16 *)node->data.hints) == get_unaligned((__u16 *)new->data.hints))
/* Set time of first discovery for this node */
new->firststamp = node->firststamp;
kfree(node);
@@ -281,9 +283,9 @@
/* Mask out the ones we don't want :
* We want to match the discovery mask, and to get only
* the most recent one (unless we want old ones) */
- if ((u16ho(discovery->data.hints) & mask) &&
+ if ((get_unaligned((__u16 *)discovery->data.hints) & mask) &&
((old_entries) ||
- ((jiffies - discovery->firststamp) < j_timeout)) ) {
+ ((jiffies - discovery->firststamp) < j_timeout))) {
/* Create buffer as needed.
* As this function get called a lot and most time
* we don't have anything to put in the log (we are