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| author | Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com> | 2012-08-14 06:40:33 +0200 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2012-10-24 10:49:45 +0200 |
| commit | 0616dc1f2bef563d7916c0dcedbb1bff7d9bd80b (patch) | |
| tree | a71c50e1d826e6cd07dcfd05ea618b7840540b98 /drivers/net/wireless/ath/ath6kl/txrx.c | |
| parent | ath6kl: reconfigure RSN capabilities when restarting AP (diff) | |
| download | linux-0616dc1f2bef563d7916c0dcedbb1bff7d9bd80b.tar.xz linux-0616dc1f2bef563d7916c0dcedbb1bff7d9bd80b.zip | |
ath6kl: Fix potential skb double free in ath6kl_wmi_sync_point()
skb given to ath6kl_control_tx() is owned by ath6kl_control_tx().
Calling function should not free the skb for error cases.
This is found during code review.
kvalo: fix a checkpatch warning in ath6kl_wmi_cmd_send()
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath6kl/txrx.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath6kl/txrx.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath6kl/txrx.c b/drivers/net/wireless/ath/ath6kl/txrx.c index 7dfa0fd86d7b..aab825152b19 100644 --- a/drivers/net/wireless/ath/ath6kl/txrx.c +++ b/drivers/net/wireless/ath/ath6kl/txrx.c @@ -288,8 +288,10 @@ int ath6kl_control_tx(void *devt, struct sk_buff *skb, int status = 0; struct ath6kl_cookie *cookie = NULL; - if (WARN_ON_ONCE(ar->state == ATH6KL_STATE_WOW)) + if (WARN_ON_ONCE(ar->state == ATH6KL_STATE_WOW)) { + dev_kfree_skb(skb); return -EACCES; + } spin_lock_bh(&ar->lock); |