diff options
| author | Stanislaw Gruszka <sgruszka@redhat.com> | 2011-08-02 15:29:02 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-08-02 21:48:14 +0400 |
| commit | 00898a47269ae5e6dda04defad00234b96692d95 (patch) | |
| tree | 96d5fb9e5c10bfe8e55c32072e7ee08342920330 /drivers/net/wireless/rt2x00/rt2x00mac.c | |
| parent | 449f94eadc91d69fa044fa92ef45c02e86559e13 (diff) | |
| download | linux-00898a47269ae5e6dda04defad00234b96692d95.tar.xz | |
rt2x00: fix usage of NULL queue
We may call rt2x00queue_pause_queue(queue) with queue == NULL. Bug
was introduced by commit 62fe778412b36791b7897cfa139342906fbbf07b
"rt2x00: Fix stuck queue in tx failure case" .
Cc: stable@kernel.org # 3.0+
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00mac.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00mac.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index 8efab3983528..4ccf23805973 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -113,7 +113,7 @@ void rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) * due to possible race conditions in mac80211. */ if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags)) - goto exit_fail; + goto exit_free_skb; /* * Use the ATIM queue if appropriate and present. @@ -127,7 +127,7 @@ void rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) ERROR(rt2x00dev, "Attempt to send packet over invalid queue %d.\n" "Please file bug report to %s.\n", qid, DRV_PROJECT); - goto exit_fail; + goto exit_free_skb; } /* @@ -159,6 +159,7 @@ void rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) exit_fail: rt2x00queue_pause_queue(queue); + exit_free_skb: dev_kfree_skb_any(skb); } EXPORT_SYMBOL_GPL(rt2x00mac_tx); |