diff options
| author | Yang Yingliang <yangyingliang@huawei.com> | 2022-12-07 18:00:05 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-11 18:31:34 +0300 |
| commit | 372324d4cf52348a0f98f8dc0d765bada6353c1a (patch) | |
| tree | 8b069ce7ae4cb3b5cae1cc43c493362aef5a235b /drivers/net/wireless | |
| parent | 784ba47e8bf4f5de1ad7abe8416c7aca6ce0e60b (diff) | |
| download | linux-372324d4cf52348a0f98f8dc0d765bada6353c1a.tar.xz | |
wifi: libertas_tf: don't call kfree_skb() under spin_lock_irqsave()
[ Upstream commit 9388ce97b98216833c969191ee6df61a7201d797 ]
It is not allowed to call kfree_skb() from hardware interrupt
context or with interrupts being disabled. So replace kfree_skb()
with dev_kfree_skb_irq() under spin_lock_irqsave(). Compile
tested only.
Fixes: fc75122fabb5 ("libertas_tf: use irqsave() in USB's complete callback")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20221207150008.111743-2-yangyingliang@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/marvell/libertas_tf/if_usb.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/marvell/libertas_tf/if_usb.c b/drivers/net/wireless/marvell/libertas_tf/if_usb.c index 60941c319b42..5e7edc030975 100644 --- a/drivers/net/wireless/marvell/libertas_tf/if_usb.c +++ b/drivers/net/wireless/marvell/libertas_tf/if_usb.c @@ -616,7 +616,7 @@ static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff, spin_lock_irqsave(&priv->driver_lock, flags); memcpy(priv->cmd_resp_buff, recvbuff + MESSAGE_HEADER_LEN, recvlength - MESSAGE_HEADER_LEN); - kfree_skb(skb); + dev_kfree_skb_irq(skb); lbtf_cmd_response_rx(priv); spin_unlock_irqrestore(&priv->driver_lock, flags); } |