Messages in this thread | | | Subject | Re: mwl8k: Fix a double Free in mwl8k_probe_hw | From | Kalle Valo <> | Date | Sun, 18 Apr 2021 06:35:25 +0000 (UTC) |
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Lv Yunlong <lyl2019@mail.ustc.edu.cn> wrote:
> In mwl8k_probe_hw, hw->priv->txq is freed at the first time by > dma_free_coherent() in the call chain: > if(!priv->ap_fw)->mwl8k_init_txqs(hw)->mwl8k_txq_init(hw, i). > > Then in err_free_queues of mwl8k_probe_hw, hw->priv->txq is freed > at the second time by mwl8k_txq_deinit(hw, i)->dma_free_coherent(). > > My patch set txq->txd to NULL after the first free to avoid the > double free. > > Fixes: a66098daacee2 ("mwl8k: Marvell TOPDOG wireless driver") > Signed-off-by: Lv Yunlong <lyl2019@mail.ustc.edu.cn>
Patch applied to wireless-drivers-next.git, thanks.
a8e083ee8e2a mwl8k: Fix a double Free in mwl8k_probe_hw
-- https://patchwork.kernel.org/project/linux-wireless/patch/20210402182627.4256-1-lyl2019@mail.ustc.edu.cn/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
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