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@xxxxxxxxxxxxxxxx> --- net/mac80211/tx.c | 1 - 1 file changed, 1 deletion(-) --- wireless-testing.orig/net/mac80211/tx.c 2009-08-10 13:34:45.000000000 +0200 +++ wireless-testing/net/mac80211/tx.c 2009-08-10 13:34:58.000000000 +0200 @@ -700,7 +700,6 @@ ieee80211_tx_h_sequence(struct ieee80211 /* for pure STA mode without beacons, we can do it */ hdr->seq_ctrl = cpu_to_le16(tx->sdata->sequence_number); tx->sdata->sequence_number += 0x10; - tx->sdata->sequence_number &= IEEE80211_SCTL_SEQ; return TX_CONTINUE; } -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html