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| author | mlaier <mlaier@FreeBSD.org> | 2006-12-06 21:23:51 +0000 |
|---|---|---|
| committer | mlaier <mlaier@FreeBSD.org> | 2006-12-06 21:23:51 +0000 |
| commit | 0cffb45c379cc8cb0170971011777787ff1d362f (patch) | |
| tree | 0a2c06ae27a4dd95fc87994ba8ed1503096260b2 /sys/dev | |
| parent | e735758280ef40b426a9cd91ea5364fa92a64adc (diff) | |
| download | FreeBSD-src-0cffb45c379cc8cb0170971011777787ff1d362f.zip FreeBSD-src-0cffb45c379cc8cb0170971011777787ff1d362f.tar.gz | |
Drop the iwi softc lock when calling back into net80211 on rx. This fixes a
LOR with direct dispatch in the netisr.
Reported and tested by: Munehiro Matsuda
Submitted by: jhb
LOR id: 194
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/iwi/if_iwi.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/dev/iwi/if_iwi.c b/sys/dev/iwi/if_iwi.c index c08afd6..4f5499d 100644 --- a/sys/dev/iwi/if_iwi.c +++ b/sys/dev/iwi/if_iwi.c @@ -1230,6 +1230,7 @@ iwi_frame_intr(struct iwi_softc *sc, struct iwi_rx_data *data, int i, struct mbuf *mnew, *m; struct ieee80211_node *ni; int type, error, framelen; + IWI_LOCK_DECL; framelen = le16toh(frame->len); if (framelen < IEEE80211_MIN_LEN || framelen > MCLBYTES) { @@ -1310,6 +1311,7 @@ iwi_frame_intr(struct iwi_softc *sc, struct iwi_rx_data *data, int i, bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m); } + IWI_UNLOCK(sc); ni = ieee80211_find_rxnode(ic, mtod(m, struct ieee80211_frame_min *)); @@ -1319,6 +1321,7 @@ iwi_frame_intr(struct iwi_softc *sc, struct iwi_rx_data *data, int i, /* node is no longer needed */ ieee80211_free_node(ni); + IWI_LOCK(sc); if (sc->sc_softled) { /* * Blink for any data frame. Otherwise do a |
