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| author | fjoe <fjoe@FreeBSD.org> | 2006-06-05 20:06:29 +0000 |
|---|---|---|
| committer | fjoe <fjoe@FreeBSD.org> | 2006-06-05 20:06:29 +0000 |
| commit | 952053eb1cbecdd71954971c38b40e8a83a8ad88 (patch) | |
| tree | e502da66bfe872d1a60a689f9efeb78c9848956c /sys/dev/ral/rt2661.c | |
| parent | 50ddaeffca19c8e1e167f0c9b2385100686824c5 (diff) | |
| download | FreeBSD-src-952053eb1cbecdd71954971c38b40e8a83a8ad88.zip FreeBSD-src-952053eb1cbecdd71954971c38b40e8a83a8ad88.tar.gz | |
Fix kernel panic in rt2661_tx_intr() if no frames has been sent.
Obtained from: OpenBSD (sys/dev/ic/rt2661.c rev. 1.15)
Diffstat (limited to 'sys/dev/ral/rt2661.c')
| -rw-r--r-- | sys/dev/ral/rt2661.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/dev/ral/rt2661.c b/sys/dev/ral/rt2661.c index 408a6f2..74b2856 100644 --- a/sys/dev/ral/rt2661.c +++ b/sys/dev/ral/rt2661.c @@ -962,6 +962,10 @@ rt2661_tx_intr(struct rt2661_softc *sc) data = &txq->data[txq->stat]; rn = (struct rt2661_node *)data->ni; + /* if no frame has been sent, ignore */ + if (rn == NULL) + continue; + switch (RT2661_TX_RESULT(val)) { case RT2661_TX_SUCCESS: retrycnt = RT2661_TX_RETRYCNT(val); |
