mac80211: free up 2 bytes in skb->cb

[safe/jmp/linux-2.6] / drivers / net / wireless / rt2x00 / rt2x00reg.h

diff --git a/drivers/net/wireless/rt2x00/rt2x00reg.h b/drivers/net/wireless/rt2x00/rt2x00reg.h
index 6d5acf9..c2fba7c 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2x00reg.h
+++ b/drivers/net/wireless/rt2x00/rt2x00reg.h
@@ -153,7 +153,7 @@ struct rt2x00_field32 {
  */
 #define is_power_of_two(x)     ( !((x) & ((x)-1)) )
 #define low_bit_mask(x)                ( ((x)-1) & ~(x) )
-#define is_valid_mask(x)       is_power_of_two(1 + (x) + low_bit_mask(x))
+#define is_valid_mask(x)       is_power_of_two(1LU + (x) + low_bit_mask(x))
 
 /*
  * Macro's to find first set bit in a variable.
@@ -190,8 +190,7 @@ struct rt2x00_field32 {
  * does not exceed the given typelimit.
  */
 #define FIELD_CHECK(__mask, __type)                    \
-       BUILD_BUG_ON(!__builtin_constant_p(__mask) ||   \
-                    !(__mask) ||                       \
+       BUILD_BUG_ON(!(__mask) ||                       \
                     !is_valid_mask(__mask) ||          \
                     (__mask) != (__type)(__mask))      \