From 8cb9b68f5821e45c63ee08d8ee3029ca523ac174 Mon Sep 17 00:00:00 2001 From: John Baldwin Date: Tue, 9 Jan 2024 11:00:46 -0800 Subject: [PATCH] sys: Use mbufq_empty instead of comparing mbufq_len against 0 Reviewed by: bz, emaste Sponsored by: Chelsio Communications Differential Revision: https://reviews.freebsd.org/D43338 --- sys/compat/linuxkpi/common/src/linux_80211.c | 2 +- sys/dev/cxgb/cxgb_sge.c | 4 ++-- sys/dev/cxgbe/tom/t4_tom.c | 4 ++-- sys/net/if_epair.c | 2 +- sys/net80211/ieee80211_ddb.c | 2 +- sys/net80211/ieee80211_ht.c | 6 +++--- sys/netinet/igmp.c | 2 +- sys/netinet6/mld6.c | 2 +- 8 files changed, 12 insertions(+), 12 deletions(-) diff --git a/sys/compat/linuxkpi/common/src/linux_80211.c b/sys/compat/linuxkpi/common/src/linux_80211.c index aa90100a328..edd2423c59b 100644 --- a/sys/compat/linuxkpi/common/src/linux_80211.c +++ b/sys/compat/linuxkpi/common/src/linux_80211.c @@ -3346,7 +3346,7 @@ lkpi_ic_node_free(struct ieee80211_node *ni) /* Flush mbufq (make sure to release ni refs!). */ #ifdef __notyet__ - KASSERT(mbufq_len(&lsta->txq) == 0, ("%s: lsta %p has txq len %d != 0\n", + KASSERT(mbufq_empty(&lsta->txq), ("%s: lsta %p has txq len %d != 0\n", __func__, lsta, mbufq_len(&lsta->txq))); #endif /* Drain taskq. */ diff --git a/sys/dev/cxgb/cxgb_sge.c b/sys/dev/cxgb/cxgb_sge.c index ca5ff3f1d41..f57494065ae 100644 --- a/sys/dev/cxgb/cxgb_sge.c +++ b/sys/dev/cxgb/cxgb_sge.c @@ -1838,7 +1838,7 @@ check_desc_avail(adapter_t *adap, struct sge_txq *q, * the control queue is only used for binding qsets which happens * at init time so we are guaranteed enough descriptors */ - if (__predict_false(mbufq_len(&q->sendq))) { + if (__predict_false(!mbufq_empty(&q->sendq))) { addq_exit: (void )mbufq_enqueue(&q->sendq, m); return 1; } @@ -1954,7 +1954,7 @@ again: reclaim_completed_tx_imm(q); } q->in_use++; } - if (mbufq_len(&q->sendq)) { + if (!mbufq_empty(&q->sendq)) { setbit(&qs->txq_stopped, TXQ_CTRL); if (should_restart_tx(q) && diff --git a/sys/dev/cxgbe/tom/t4_tom.c b/sys/dev/cxgbe/tom/t4_tom.c index e5b17396445..77b6ba5d403 100644 --- a/sys/dev/cxgbe/tom/t4_tom.c +++ b/sys/dev/cxgbe/tom/t4_tom.c @@ -323,8 +323,8 @@ release_offload_resources(struct toepcb *toep) * that a normal connection's socket's so_snd would have been purged or * drained. Do _not_ clean up here. */ - MPASS(mbufq_len(&toep->ulp_pduq) == 0); - MPASS(mbufq_len(&toep->ulp_pdu_reclaimq) == 0); + MPASS(mbufq_empty(&toep->ulp_pduq)); + MPASS(mbufq_empty(&toep->ulp_pdu_reclaimq)); #ifdef INVARIANTS if (ulp_mode(toep) == ULP_MODE_TCPDDP) ddp_assert_empty(toep); diff --git a/sys/net/if_epair.c b/sys/net/if_epair.c index 2fa016c8f35..7bc218321f0 100644 --- a/sys/net/if_epair.c +++ b/sys/net/if_epair.c @@ -177,7 +177,7 @@ epair_tx_start_deferred(void *arg, int pending) * end up starving ourselves in a multi-epair routing configuration. */ mtx_lock(&q->mtx); - if (mbufq_len(&q->q) > 0) { + if (!mbufq_empty(&q->q)) { resched = true; q->state = EPAIR_QUEUE_WAKING; } else { diff --git a/sys/net80211/ieee80211_ddb.c b/sys/net80211/ieee80211_ddb.c index cd4a4f19174..0042d5d4aeb 100644 --- a/sys/net80211/ieee80211_ddb.c +++ b/sys/net80211/ieee80211_ddb.c @@ -222,7 +222,7 @@ _db_show_rxampdu(const char *sep, int ix, const struct ieee80211_rx_ampdu *rap) db_printf("%s age %d nframes %d\n", sep, rap->rxa_age, rap->rxa_nframes); for (i = 0; i < IEEE80211_AGGR_BAWMAX; i++) - if (mbufq_len(&rap->rxa_mq[i]) > 0) { + if (!mbufq_empty(&rap->rxa_mq[i])) { db_printf("%s m[%2u:%4u] ", sep, i, IEEE80211_SEQ_ADD(rap->rxa_start, i)); STAILQ_FOREACH(m, &rap->rxa_mq[i].mq_head, diff --git a/sys/net80211/ieee80211_ht.c b/sys/net80211/ieee80211_ht.c index 5297b741d9b..c747d29735a 100644 --- a/sys/net80211/ieee80211_ht.c +++ b/sys/net80211/ieee80211_ht.c @@ -567,7 +567,7 @@ ampdu_rx_add_slot(struct ieee80211_rx_ampdu *rap, int off, int tid, /* * Get the rxs of the final mbuf in the slot, if one exists. */ - if (mbufq_len(&rap->rxa_mq[off]) != 0) { + if (!mbufq_empty(&rap->rxa_mq[off])) { rxs_final = ieee80211_get_rx_params_ptr(mbufq_last(&rap->rxa_mq[off])); } @@ -597,7 +597,7 @@ ampdu_rx_add_slot(struct ieee80211_rx_ampdu *rap, int off, int tid, * If the list is empty OR we have determined we can put more * driver decap'ed AMSDU frames in here, then insert. */ - if ((mbufq_len(&rap->rxa_mq[off]) == 0) || (toss_dup == 0)) { + if (mbufq_empty(&rap->rxa_mq[off]) || (toss_dup == 0)) { if (mbufq_enqueue(&rap->rxa_mq[off], m) != 0) { IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_INPUT | IEEE80211_MSG_11N, ni->ni_macaddr, @@ -1075,7 +1075,7 @@ ieee80211_ampdu_reorder(struct ieee80211_node *ni, struct mbuf *m, /* * Dispatch as many packets as we can. */ - KASSERT((mbufq_len(&rap->rxa_mq[0]) == 0), ("unexpected dup")); + KASSERT(mbufq_empty(&rap->rxa_mq[0]), ("unexpected dup")); ampdu_dispatch(ni, m); ampdu_rx_dispatch(rap, ni); return CONSUMED; diff --git a/sys/netinet/igmp.c b/sys/netinet/igmp.c index 74cf7a557d9..1655963e6cf 100644 --- a/sys/netinet/igmp.c +++ b/sys/netinet/igmp.c @@ -3383,7 +3383,7 @@ igmp_v3_dispatch_general_query(struct igmp_ifsoftc *igi) * many packets, we should finish sending them before starting of * queuing the new reply. */ - if (mbufq_len(&igi->igi_gq) != 0) + if (!mbufq_empty(&igi->igi_gq)) goto send; ifp = igi->igi_ifp; diff --git a/sys/netinet6/mld6.c b/sys/netinet6/mld6.c index 3c07d6fa1d6..5dd192a69fa 100644 --- a/sys/netinet6/mld6.c +++ b/sys/netinet6/mld6.c @@ -2993,7 +2993,7 @@ mld_v2_dispatch_general_query(struct mld_ifsoftc *mli) * many packets, we should finish sending them before starting of * queuing the new reply. */ - if (mbufq_len(&mli->mli_gq) != 0) + if (!mbufq_empty(&mli->mli_gq)) goto send; ifp = mli->mli_ifp; -- 2.45.0