Change MAC802154_CHAN_NONE from ~(u8)0 to 0xff, or the comparison in
mac802154_wpan_xmit() for ``chan == MAC802154_CHAN_NONE'' will not
succeed.
This bug can be boiled down to ``u8 foo = 0xff; if (foo == ~(u8)0)
[...] else [...]'' where the condition will always take the else
branch.
Signed-off-by: Chen Gang <gang.c...@asianux.com>
---
net/mac802154/mac802154.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/mac802154/mac802154.h b/net/mac802154/mac802154.h
index a4dcaf1..703c121 100644
--- a/net/mac802154/mac802154.h
+++ b/net/mac802154/mac802154.h
@@ -90,7 +90,7 @@ struct mac802154_sub_if_data {
#define MAC802154_MAX_XMIT_ATTEMPTS 3
-#define MAC802154_CHAN_NONE (~(u8)0) /* No channel is assigned */
+#define MAC802154_CHAN_NONE 0xff /* No channel is assigned */
extern struct ieee802154_reduced_mlme_ops mac802154_mlme_reduced;
extern struct ieee802154_mlme_ops mac802154_mlme_wpan;
--
1.7.11.7
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