| commit | d0b69609dc50b6bf2637cf74e6f97c251adc65ed | |
| author | Johannes Berg <johannes@sipsolutions.net> | |
| Mon, 10 Aug 2009 14:02:40 +0000 (10 16:02 +0200) | ||
| committer | John W. Linville <linville@tuxdriver.com> | |
| Fri, 14 Aug 2009 13:13:57 +0000 (14 09:13 -0400) | ||
| tree | b834227a9d1e9fe1083164cff5891547139e8139 | treesnapshot (tar.gz zip) |
| parent | feff1f2fea3fc7ee055e46d0fbdb2d25ad2b14c4 | commitdiff |
mac80211: sequence number micro-optimisation
There's no need to mask the variable with 0xFFF0
since we ever only use it as a u16 and the lowest
four bits can't ever be non-zero. The compiler
cannot infer the latter, and therefore has to emit
code to do the masking.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
There's no need to mask the variable with 0xFFF0
since we ever only use it as a u16 and the lowest
four bits can't ever be non-zero. The compiler
cannot infer the latter, and therefore has to emit
code to do the masking.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| net/mac80211/tx.c | diffblobblamehistory |