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authorGraf Yang <graf.yang@analog.com>2008-05-13 23:25:57 -0700
committerDavid S. Miller <davem@davemloft.net>2008-05-13 23:25:57 -0700
commit332223831e86b2e17b48b4afafad07d8e3b73861 (patch)
treea3bd42005c91888c3cb20ec0ca6880e3181e7acb /net/irda/discovery.c
parentc1cc678adaa78ae2aab6a6d699241ad516d84476 (diff)
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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>
Diffstat (limited to 'net/irda/discovery.c')
-rw-r--r--net/irda/discovery.c8
1 files changed, 5 insertions, 3 deletions
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 @@ void irlmp_add_discovery(hashbin_t *cachelog, discovery_t *new)
*/
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 @@ struct irda_device_info *irlmp_copy_discoveries(hashbin_t *log, int *pn,
/* 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