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    Subject[PATCH 5/6] brcmfmac: Fix to add skb free for TIM update info when tx is completed
    Date
    From: Wataru Gohda <wataru.gohda@cypress.com>

    The skb will be allocated to send TIM update info in brcmf_fws_tim_update.
    Currently the skb will be freed when tx is failed but it will not be freed
    when tx is completed successfully. The fix is to free the skb when tx is
    completed always.

    Signed-off-by: Wataru Gohda <wataru.gohda@cypress.com>
    Signed-off-by: Chi-hsien Lin <chi-hsien.lin@cypress.com>
    Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
    Signed-off-by: Alvin Šipraga <alsi@bang-olufsen.dk>
    ---
    .../wireless/broadcom/brcm80211/brcmfmac/bcdc.c | 3 +--
    .../broadcom/brcm80211/brcmfmac/fwsignal.c | 16 ++++++++++------
    .../broadcom/brcm80211/brcmfmac/fwsignal.h | 3 ++-
    3 files changed, 13 insertions(+), 9 deletions(-)

    diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c
    index 2c95a08a5871..02a56edf08ba 100644
    --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c
    +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c
    @@ -368,8 +368,7 @@ brcmf_proto_bcdc_txcomplete(struct device *dev, struct sk_buff *txp,

    /* await txstatus signal for firmware if active */
    if (brcmf_fws_fc_active(bcdc->fws)) {
    - if (!success)
    - brcmf_fws_bustxfail(bcdc->fws, txp);
    + brcmf_fws_bustxcomplete(bcdc->fws, txp, success);
    } else {
    if (brcmf_proto_bcdc_hdrpull(bus_if->drvr, false, txp, &ifp))
    brcmu_pkt_buf_free_skb(txp);
    diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c
    index d58525ebe618..85e3b953b0a9 100644
    --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c
    +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c
    @@ -2475,7 +2475,8 @@ bool brcmf_fws_fc_active(struct brcmf_fws_info *fws)
    return fws->fcmode != BRCMF_FWS_FCMODE_NONE;
    }

    -void brcmf_fws_bustxfail(struct brcmf_fws_info *fws, struct sk_buff *skb)
    +void brcmf_fws_bustxcomplete(struct brcmf_fws_info *fws, struct sk_buff *skb,
    + bool success)
    {
    u32 hslot;

    @@ -2483,11 +2484,14 @@ void brcmf_fws_bustxfail(struct brcmf_fws_info *fws, struct sk_buff *skb)
    brcmu_pkt_buf_free_skb(skb);
    return;
    }
    - brcmf_fws_lock(fws);
    - hslot = brcmf_skb_htod_tag_get_field(skb, HSLOT);
    - brcmf_fws_txs_process(fws, BRCMF_FWS_TXSTATUS_HOST_TOSSED, hslot, 0, 0,
    - 1);
    - brcmf_fws_unlock(fws);
    +
    + if (!success) {
    + brcmf_fws_lock(fws);
    + hslot = brcmf_skb_htod_tag_get_field(skb, HSLOT);
    + brcmf_fws_txs_process(fws, BRCMF_FWS_TXSTATUS_HOST_TOSSED, hslot,
    + 0, 0, 1);
    + brcmf_fws_unlock(fws);
    + }
    }

    void brcmf_fws_bus_blocked(struct brcmf_pub *drvr, bool flow_blocked)
    diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.h
    index b16a9d1c0508..f9c36cd8f1de 100644
    --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.h
    +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.h
    @@ -40,7 +40,8 @@ int brcmf_fws_process_skb(struct brcmf_if *ifp, struct sk_buff *skb);
    void brcmf_fws_reset_interface(struct brcmf_if *ifp);
    void brcmf_fws_add_interface(struct brcmf_if *ifp);
    void brcmf_fws_del_interface(struct brcmf_if *ifp);
    -void brcmf_fws_bustxfail(struct brcmf_fws_info *fws, struct sk_buff *skb);
    +void brcmf_fws_bustxcomplete(struct brcmf_fws_info *fws, struct sk_buff *skb,
    + bool success);
    void brcmf_fws_bus_blocked(struct brcmf_pub *drvr, bool flow_blocked);
    void brcmf_fws_rxreorder(struct brcmf_if *ifp, struct sk_buff *skb);

    --
    2.37.0
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