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net80211: move ieee80211_free_node() call on error from ic_raw_xmit() to ieee80211_raw_output().

Browse Source 
This doesn't free the mbuf upon error; the driver ic_raw_xmit method is still
doing that.

Submitted by:	<s3erios@gmail.com>
Differential Revision:	https://reviews.freebsd.org/D3774
This commit is contained in:
adrian 2015-10-12 04:55:20 +00:00
parent 5a44e8c44b
commit ddc10d6668
23 changed files with 11 additions and 70 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
sys/dev/ath/if_ath_tx.c
View File

@ -2452,7 +2452,6 @@ ath_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
ATH_KTR(sc, ATH_KTR_TX, 2, "ath_raw_xmit: bad0: m=%p, params=%p",
m, params);
sc->sc_stats.ast_tx_raw_fail++;
ieee80211_free_node(ni);
return error;
}

5
sys/dev/bwi/if_bwi.c
View File

@ -1399,7 +1399,6 @@ bwi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
int idx, error;
if ((sc->sc_flags & BWI_F_RUNNING) == 0) {
ieee80211_free_node(ni);
m_freem(m);
return ENETDOWN;
}
@ -1424,9 +1423,7 @@ bwi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
tbd->tbd_used++;
tbd->tbd_idx = (idx + 1) % BWI_TX_NDESC;
sc->sc_tx_timer = 5;
} else
/* NB: m is reclaimed on encap failure */
ieee80211_free_node(ni);
}
BWI_UNLOCK(sc);
return error;
}

13
sys/dev/bwn/if_bwn.c
View File

@ -2684,29 +2684,26 @@ bwn_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
struct ieee80211com *ic = ni->ni_ic;
struct bwn_softc *sc = ic->ic_softc;
struct bwn_mac *mac = sc->sc_curmac;
int error;
if ((sc->sc_flags & BWN_FLAG_RUNNING) == 0 ||
mac->mac_status < BWN_MAC_STATUS_STARTED) {
ieee80211_free_node(ni);
m_freem(m);
return (ENETDOWN);
}
BWN_LOCK(sc);
if (bwn_tx_isfull(sc, m)) {
ieee80211_free_node(ni);
m_freem(m);
BWN_UNLOCK(sc);
return (ENOBUFS);
}
if (bwn_tx_start(sc, ni, m) != 0) {
if (ni != NULL)
ieee80211_free_node(ni);
}
sc->sc_watchdog_timer = 5;
error = bwn_tx_start(sc, ni, m);
if (error == 0)
sc->sc_watchdog_timer = 5;
BWN_UNLOCK(sc);
return (0);
return (error);
}
/*

5
sys/dev/iwm/if_iwm.c
View File

@ -2877,7 +2877,6 @@ iwm_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
"->%s begin\n", __func__);
if ((sc->sc_flags & IWM_FLAG_HW_INITED) == 0) {
ieee80211_free_node(ni);
m_freem(m);
IWM_DPRINTF(sc, IWM_DEBUG_XMIT,
"<-%s not RUNNING\n", __func__);
@ -2891,10 +2890,6 @@ iwm_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
} else {
error = iwm_tx(sc, m, ni, 0);
}
if (error != 0) {
/* NB: m is reclaimed on tx failure */
ieee80211_free_node(ni);
}
sc->sc_tx_timer = 5;
IWM_UNLOCK(sc);

9
sys/dev/iwn/if_iwn.c
View File

@ -4875,7 +4875,6 @@ iwn_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
DPRINTF(sc, IWN_DEBUG_XMIT | IWN_DEBUG_TRACE, "->%s begin\n", __func__);
if ((sc->sc_flags & IWN_FLAG_RUNNING) == 0) {
ieee80211_free_node(ni);
m_freem(m);
return ENETDOWN;
}
@ -4889,9 +4888,6 @@ iwn_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
if (sc->sc_beacon_wait) {
if (iwn_xmit_queue_enqueue(sc, m) != 0) {
m_freem(m);
if_inc_counter(ni->ni_vap->iv_ifp,
IFCOUNTER_OERRORS, 1);
ieee80211_free_node(ni);
IWN_UNLOCK(sc);
return (ENOBUFS);
}
@ -4913,10 +4909,7 @@ iwn_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
*/
error = iwn_tx_data_raw(sc, m, ni, params);
}
if (error != 0) {
/* NB: m is reclaimed on tx failure */
ieee80211_free_node(ni);
} else
if (error == 0)
sc->sc_tx_timer = 5;
IWN_UNLOCK(sc);

3
sys/dev/malo/if_malo.c
View File

@ -1786,7 +1786,6 @@ malo_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
struct malo_txq *txq;
if (!sc->malo_running || sc->malo_invalid) {
ieee80211_free_node(ni);
m_freem(m);
return ENETDOWN;
}
@ -1800,7 +1799,6 @@ malo_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
txq = &sc->malo_txq[0];
bf = malo_getbuf(sc, txq);
if (bf == NULL) {
ieee80211_free_node(ni);
m_freem(m);
return ENOBUFS;
}
@ -1816,7 +1814,6 @@ malo_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
txq->nfree++;
MALO_TXQ_UNLOCK(txq);
ieee80211_free_node(ni);
return EIO; /* XXX */
}

3
sys/dev/mwl/if_mwl.c
View File

@ -1422,7 +1422,6 @@ mwl_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
struct mwl_txq *txq;
if (!sc->sc_running || sc->sc_invalid) {
ieee80211_free_node(ni);
m_freem(m);
return ENETDOWN;
}
@ -1438,7 +1437,6 @@ mwl_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
bf = mwl_gettxbuf(sc, txq);
if (bf == NULL) {
sc->sc_stats.mst_tx_qstop++;
ieee80211_free_node(ni);
m_freem(m);
return ENOBUFS;
}
@ -1448,7 +1446,6 @@ mwl_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
if (mwl_tx_start(sc, ni, bf, m)) {
mwl_puttxbuf_head(txq, bf);
ieee80211_free_node(ni);
return EIO; /* XXX */
}
/*

1
sys/dev/otus/if_otus.c
View File

@ -567,7 +567,6 @@ otus_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
if (bf)
otus_freebuf(sc, bf);
OTUS_UNLOCK(sc);
ieee80211_free_node(ni);
m_freem(m);
return (ENXIO);
}

3
sys/dev/ral/rt2560.c
View File

@ -2711,13 +2711,11 @@ rt2560_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
if (!(sc->sc_flags & RT2560_F_RUNNING)) {
RAL_UNLOCK(sc);
m_freem(m);
ieee80211_free_node(ni);
return ENETDOWN;
}
if (sc->prioq.queued >= RT2560_PRIO_RING_COUNT) {
RAL_UNLOCK(sc);
m_freem(m);
ieee80211_free_node(ni);
return ENOBUFS; /* XXX */
}
@ -2742,7 +2740,6 @@ rt2560_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
return 0;
bad:
ieee80211_free_node(ni);
RAL_UNLOCK(sc);
return EIO; /* XXX */
}

3
sys/dev/ral/rt2661.c
View File

@ -1636,13 +1636,11 @@ rt2661_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
if (!(sc->sc_flags & RAL_RUNNING)) {
RAL_UNLOCK(sc);
m_freem(m);
ieee80211_free_node(ni);
return ENETDOWN;
}
if (sc->mgtq.queued >= RT2661_MGT_RING_COUNT) {
RAL_UNLOCK(sc);
m_freem(m);
ieee80211_free_node(ni);
return ENOBUFS; /* XXX */
}
@ -1659,7 +1657,6 @@ rt2661_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
return 0;
bad:
ieee80211_free_node(ni);
RAL_UNLOCK(sc);
return EIO; /* XXX */
}

5
sys/dev/ral/rt2860.c
View File

@ -1702,7 +1702,6 @@ rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
if (!(sc->sc_flags & RT2860_RUNNNING)) {
RAL_UNLOCK(sc);
m_freem(m);
ieee80211_free_node(ni);
return ENETDOWN;
}
if (params == NULL) {
@ -1718,10 +1717,6 @@ rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
*/
error = rt2860_tx_raw(sc, m, ni, params);
}
if (error != 0) {
/* NB: m is reclaimed on tx failure */
ieee80211_free_node(ni);
}
sc->sc_tx_timer = 5;
RAL_UNLOCK(sc);
return error;

3
sys/dev/usb/wlan/if_rsu.c
View File

@ -2793,19 +2793,16 @@ rsu_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
/* prevent management frames from being sent if we're not ready */
if (!sc->sc_running) {
m_freem(m);
ieee80211_free_node(ni);
return (ENETDOWN);
}
RSU_LOCK(sc);
bf = rsu_getbuf(sc);
if (bf == NULL) {
ieee80211_free_node(ni);
m_freem(m);
RSU_UNLOCK(sc);
return (ENOBUFS);
}
if (rsu_tx_start(sc, ni, m, bf) != 0) {
ieee80211_free_node(ni);
m_freem(m);
rsu_freebuf(sc, bf);
RSU_UNLOCK(sc);

1
sys/dev/usb/wlan/if_rum.c
View File

@ -2850,7 +2850,6 @@ rum_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
bad:
RUM_UNLOCK(sc);
m_freem(m);
ieee80211_free_node(ni);
return ret;
}

1
sys/dev/usb/wlan/if_run.c
View File

@ -3707,7 +3707,6 @@ run_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
if (error != 0) {
if(m != NULL)
m_freem(m);
ieee80211_free_node(ni);
}
return (error);

3
sys/dev/usb/wlan/if_uath.c
View File

@ -1781,7 +1781,6 @@ uath_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
if ((sc->sc_flags & UATH_FLAG_INVALID) ||
!(sc->sc_flags & UATH_FLAG_INITDONE)) {
m_freem(m);
ieee80211_free_node(ni);
UATH_UNLOCK(sc);
return (ENETDOWN);
}
@ -1789,7 +1788,6 @@ uath_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
/* grab a TX buffer */
bf = uath_getbuf(sc);
if (bf == NULL) {
ieee80211_free_node(ni);
m_freem(m);
UATH_UNLOCK(sc);
return (ENOBUFS);
@ -1797,7 +1795,6 @@ uath_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
sc->sc_seqnum = 0;
if (uath_tx_start(sc, m, ni, bf) != 0) {
ieee80211_free_node(ni);
STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, bf, next);
UATH_STAT_INC(sc, st_tx_inactive);
UATH_UNLOCK(sc);

3
sys/dev/usb/wlan/if_upgt.c
View File

@ -798,14 +798,12 @@ upgt_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
/* prevent management frames from being sent if we're not ready */
if (!(sc->sc_flags & UPGT_FLAG_INITDONE)) {
m_freem(m);
ieee80211_free_node(ni);
UPGT_UNLOCK(sc);
return ENETDOWN;
}
data_tx = upgt_gettxbuf(sc);
if (data_tx == NULL) {
ieee80211_free_node(ni);
m_freem(m);
UPGT_UNLOCK(sc);
return (ENOBUFS);
@ -814,7 +812,6 @@ upgt_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
if (upgt_tx_start(sc, m, ni, data_tx) != 0) {
STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, data_tx, next);
UPGT_STAT_INC(sc, st_tx_inactive);
ieee80211_free_node(ni);
UPGT_UNLOCK(sc);
return (EIO);
}

3
sys/dev/usb/wlan/if_ural.c
View File

@ -2123,13 +2123,11 @@ ural_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
if (!sc->sc_running) {
RAL_UNLOCK(sc);
m_freem(m);
ieee80211_free_node(ni);
return ENETDOWN;
}
if (sc->tx_nfree < RAL_TX_MINFREE) {
RAL_UNLOCK(sc);
m_freem(m);
ieee80211_free_node(ni);
return EIO;
}
@ -2152,7 +2150,6 @@ ural_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
return 0;
bad:
RAL_UNLOCK(sc);
ieee80211_free_node(ni);
return EIO; /* XXX */
}

3
sys/dev/usb/wlan/if_urtw.c
View File

@ -1527,20 +1527,17 @@ urtw_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
/* prevent management frames from being sent if we're not ready */
if (!(sc->sc_flags & URTW_RUNNING)) {
m_freem(m);
ieee80211_free_node(ni);
return ENETDOWN;
}
URTW_LOCK(sc);
bf = urtw_getbuf(sc);
if (bf == NULL) {
ieee80211_free_node(ni);
m_freem(m);
URTW_UNLOCK(sc);
return (ENOBUFS); /* XXX */
}
if (urtw_tx_start(sc, ni, m, bf, URTW_PRIORITY_LOW) != 0) {
ieee80211_free_node(ni);
STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, bf, next);
URTW_UNLOCK(sc);
return (EIO);

3
sys/dev/usb/wlan/if_urtwn.c
View File

@ -3460,13 +3460,11 @@ urtwn_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
/* prevent management frames from being sent if we're not ready */
if (!(sc->sc_flags & URTWN_RUNNING)) {
m_freem(m);
ieee80211_free_node(ni);
return (ENETDOWN);
}
URTWN_LOCK(sc);
bf = urtwn_getbuf(sc);
if (bf == NULL) {
ieee80211_free_node(ni);
m_freem(m);
URTWN_UNLOCK(sc);
return (ENOBUFS);
@ -3474,7 +3472,6 @@ urtwn_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
if (urtwn_tx_start(sc, ni, m, bf) != 0) {
m_freem(m);
ieee80211_free_node(ni);
STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, bf, next);
URTWN_UNLOCK(sc);
return (EIO);

3
sys/dev/usb/wlan/if_zyd.c
View File

@ -2590,13 +2590,11 @@ zyd_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
if (!(sc->sc_flags & ZYD_FLAG_RUNNING)) {
ZYD_UNLOCK(sc);
m_freem(m);
ieee80211_free_node(ni);
return (ENETDOWN);
}
if (sc->tx_nfree == 0) {
ZYD_UNLOCK(sc);
m_freem(m);
ieee80211_free_node(ni);
return (ENOBUFS); /* XXX */
}
@ -2607,7 +2605,6 @@ zyd_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
*/
if (zyd_tx_start(sc, m, ni) != 0) {
ZYD_UNLOCK(sc);
ieee80211_free_node(ni);
m_freem(m);
return (EIO);
}

2
sys/dev/wi/if_wi.c
View File

@ -1077,6 +1077,7 @@ wi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m0,
goto out;
}
m0 = NULL;
ieee80211_free_node(ni);
sc->sc_txnext = cur = (cur + 1) % sc->sc_ntxbuf;
out:
@ -1084,7 +1085,6 @@ wi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m0,
if (m0 != NULL)
m_freem(m0);
ieee80211_free_node(ni);
return rc;
}

1
sys/dev/wpi/if_wpi.c
View File

@ -3093,7 +3093,6 @@ unlock: WPI_TX_UNLOCK(sc);
if (error != 0) {
m_freem(m);
ieee80211_free_node(ni);
DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__);
return error;

4
sys/net80211/ieee80211_output.c
View File

@ -531,8 +531,10 @@ ieee80211_raw_output(struct ieee80211vap *vap, struct ieee80211_node *ni,
(void) ieee80211_add_xmit_params(m, params);
error = ic->ic_raw_xmit(ni, m, params);
if (error)
if (error) {
if_inc_counter(vap->iv_ifp, IFCOUNTER_OERRORS, 1);
ieee80211_free_node(ni);
}
return (error);
}