lkml.org 
[lkml]   [2017]   [Oct]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH AUTOSEL for 4.9 47/50] wcn36xx: Don't use the destroyed hal_mutex
    Date
    From: Bjorn Andersson <bjorn.andersson@linaro.org>

    [ Upstream commit d53628882255481b710641dd0118fbd80af6e983 ]

    ieee80211_unregister_hw() might invoke operations to stop the interface,
    that uses the hal_mutex. So don't destroy it until after we're done
    using it.

    Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
    Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
    Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
    ---
    drivers/net/wireless/ath/wcn36xx/main.c | 3 ++-
    1 file changed, 2 insertions(+), 1 deletion(-)

    diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c
    index e1d59da2ad20..ca8797c65312 100644
    --- a/drivers/net/wireless/ath/wcn36xx/main.c
    +++ b/drivers/net/wireless/ath/wcn36xx/main.c
    @@ -1165,11 +1165,12 @@ static int wcn36xx_remove(struct platform_device *pdev)
    wcn36xx_dbg(WCN36XX_DBG_MAC, "platform remove\n");

    release_firmware(wcn->nv);
    - mutex_destroy(&wcn->hal_mutex);

    ieee80211_unregister_hw(hw);
    iounmap(wcn->dxe_base);
    iounmap(wcn->ccu_base);
    +
    + mutex_destroy(&wcn->hal_mutex);
    ieee80211_free_hw(hw);

    return 0;
    --
    2.11.0
    \
     
     \ /
      Last update: 2017-10-25 04:10    [W:4.043 / U:0.204 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site