git: 9c50c9b776e3 - stable/14 - sys: Use mbufq_empty instead of comparing mbufq_len against 0
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Date: Thu, 18 Jan 2024 22:39:44 UTC
The branch stable/14 has been updated by jhb:
URL: https://cgit.FreeBSD.org/src/commit/?id=9c50c9b776e3023d4b24cce0a5a587a7813c6c54
commit 9c50c9b776e3023d4b24cce0a5a587a7813c6c54
Author: John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2024-01-09 19:00:46 +0000
Commit: John Baldwin <jhb@FreeBSD.org>
CommitDate: 2024-01-18 22:37:29 +0000
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
(cherry picked from commit 8cb9b68f5821e45c63ee08d8ee3029ca523ac174)
---
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 42fb7a60ce57..ffc28e2685de 100644
--- a/sys/compat/linuxkpi/common/src/linux_80211.c
+++ b/sys/compat/linuxkpi/common/src/linux_80211.c
@@ -3198,7 +3198,7 @@ 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 ca5ff3f1d417..f57494065aec 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 e5b173964451..77b6ba5d4032 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 2fa016c8f35c..7bc218321f01 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 cd4a4f191745..0042d5d4aeb6 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 a322c21b4673..cb981014fdb9 100644
--- a/sys/net80211/ieee80211_ht.c
+++ b/sys/net80211/ieee80211_ht.c
@@ -571,7 +571,7 @@ 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]));
}
@@ -601,7 +601,7 @@ 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,
@@ -1079,7 +1079,7 @@ again:
/*
* 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 c3dd0302fb39..3a60feadcdab 100644
--- a/sys/netinet/igmp.c
+++ b/sys/netinet/igmp.c
@@ -3381,7 +3381,7 @@ 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 309c9d11204f..6a64d1830afd 100644
--- a/sys/netinet6/mld6.c
+++ b/sys/netinet6/mld6.c
@@ -2995,7 +2995,7 @@ 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;