On Mon, May 13, 2013 at 07:03:13PM +0000, Adrian Chadd wrote: > New Revision: 250609 > URL: http://svnweb.freebsd.org/changeset/base/250609 > > Log: > Since the node state is 100% back under the TX lock, just kill the use > of atomics. > > Modified: > head/sys/dev/ath/if_ath.c > > @@ -6140,13 +6133,13 @@ ath_tx_update_tim(struct ath_softc *sc, > /* > * Don't bother grabbing the lock unless the queue is empty. > */ > - if (atomic_load_acq_int(&an->an_swq_depth) != 0) > + if (&an->an_swq_depth != 0) > return; > > if (an->an_is_powersave && > an->an_stack_psq == 0 && > an->an_tim_set == 1 && > - atomic_load_acq_int(&an->an_swq_depth) == 0) { > + an->an_swq_depth == 0) {
PVS Studio complains here: warning: V560 A part of conditional expression is always true: an->an_swq_depth == 0. Which probably makes sense since you return earlier if it's != 0. ./danfe _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
