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    Subject[PATCH AUTOSEL 4.19 055/106] ath9k_htc: Silence undersized packet warnings
    Date
    From: Masashi Honma <masashi.honma@gmail.com>

    [ Upstream commit 450edd2805982d14ed79733a82927d2857b27cac ]

    Some devices like TP-Link TL-WN722N produces this kind of messages
    frequently.

    kernel: ath: phy0: Short RX data len, dropping (dlen: 4)

    This warning is useful for developers to recognize that the device
    (Wi-Fi dongle or USB hub etc) is noisy but not for general users. So
    this patch make this warning to debug message.

    Reported-By: Denis <pro.denis@protonmail.com>
    Ref: https://bugzilla.kernel.org/show_bug.cgi?id=207539
    Fixes: cd486e627e67 ("ath9k_htc: Discard undersized packets")
    Signed-off-by: Masashi Honma <masashi.honma@gmail.com>
    Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
    Link: https://lore.kernel.org/r/20200504214443.4485-1-masashi.honma@gmail.com
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/net/wireless/ath/ath9k/htc_drv_txrx.c | 6 +++---
    1 file changed, 3 insertions(+), 3 deletions(-)

    diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
    index b5d7ef4da17f..f19393e584dc 100644
    --- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
    +++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
    @@ -999,9 +999,9 @@ static bool ath9k_rx_prepare(struct ath9k_htc_priv *priv,
    * which are not PHY_ERROR (short radar pulses have a length of 3)
    */
    if (unlikely(!rs_datalen || (rs_datalen < 10 && !is_phyerr))) {
    - ath_warn(common,
    - "Short RX data len, dropping (dlen: %d)\n",
    - rs_datalen);
    + ath_dbg(common, ANY,
    + "Short RX data len, dropping (dlen: %d)\n",
    + rs_datalen);
    goto rx_next;
    }

    --
    2.25.1
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