On Sun, Aug 28, 2011 at 12:26 AM, Larry Finger
<Larry.Finger@xxxxxxxxxxxx> wrote:
> Smatch shows the following warnings:
>
> CHECK drivers/net/wireless/ath/ath9k/htc_drv_main.c
> drivers/net/wireless/ath/ath9k/htc_drv_main.c +1315 ath9k_htc_configure_filter(27) warn: inconsistent returns mutex:&priv->mutex: locked (1303) unlocked (1315)
>
> CHECK drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
> drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +3321 ar9300_eeprom_restore_internal(20) warn: returning -1 instead of -ENOMEM is sloppy
>
> Signed-off-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
Hi Larry, thanks for the patch.
> ---
>
> John,
>
> This is next material.
>
> Larry
> ---
>
> To ath9k developers:
>
> Smatch also show the following information, which I have not addressed:
>
> CHECK drivers/net/wireless/ath/key.c
> drivers/net/wireless/ath/key.c +546 ath_key_config(77) info: why not propagate 'idx' from ath_reserve_key_cache_slot() instead of -28?
> CHECK drivers/net/wireless/ath/ath9k/hif_usb.c
> drivers/net/wireless/ath/ath9k/hif_usb.c +760 ath9k_hif_usb_dealloc_tx_urbs(23) error: double free of 'tx_buf->buf'
> CHECK drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
> drivers/net/wireless/ath/ath9k/htc_drv_beacon.c +339 ath9k_htc_send_buffered(44) error: double lock 'bottom_half:'
> drivers/net/wireless/ath/ath9k/htc_drv_beacon.c +347 ath9k_htc_send_buffered(52) error: double unlock 'bottom_half:'
> CHECK drivers/net/wireless/ath/ath9k/ar9003_phy.c
> drivers/net/wireless/ath/ath9k/ar9003_phy.c +209 ar9003_hw_spur_mitigate_mrc_cck(40) error: potential null derefence 'spur_fbin_ptr'.
> CHECK drivers/net/wireless/ath/ath9k/ar9003_paprd.c
> drivers/net/wireless/ath/ath9k/ar9003_paprd.c +164 ar9003_paprd_setup_single_table(28) info: why not propagate 'training_power' from ar9003_get_training_power_5g() instead of -34?
>
> ---
> ---
> drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 2 +-
> drivers/net/wireless/ath/ath9k/htc_drv_main.c | 1 +
> 2 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
> index 3b4ae07..fc2d607 100644
> --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
> +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
> @@ -3318,7 +3318,7 @@ static int ar9300_eeprom_restore_internal(struct ath_hw *ah,
>
> word = kzalloc(2048, GFP_KERNEL);
> if (!word)
> - return -1;
> + return -ENOMEM;
>
> memcpy(mptr, &ar9300_default, mdata_size);
>
> diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
> index 7212acb..2a3a2ce 100644
> --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
> +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
> @@ -1300,6 +1300,7 @@ static void ath9k_htc_configure_filter(struct ieee80211_hw *hw,
> if (priv->op_flags & OP_INVALID) {
> ath_dbg(ath9k_hw_common(priv->ah), ATH_DBG_ANY,
> "Unable to configure filter on invalid state\n");
> + mutex_unlock(&priv->mutex);
> return;
> }
> ath9k_htc_ps_wakeup(priv);
> --
> 1.7.3.4
>
> --
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--
shafi
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