Opps wrong email address. I'll resend the patch
Am 13.08.2015 um 20:21 schrieb Oleksij Rempel:
> From: Oleksij Rempel <external.oleksij.rem...@de.bosch.com>
>
> current code will handle -ETIMEDOUT as success which is probalbly wrong.
>
> According to this comment I assume it is safe to handle -ETIMEDOUT as false:
> drivers/net/wireless/ath/ath9k/calib.c
> 290 /*
> 291 * We timed out waiting for the noisefloor to load, probably due
> to an
> 292 * in-progress rx. Simply return here and allow the load plenty
> of time
> 293 * to complete before the next calibration interval. We need to
> avoid
> 294 * trying to load -50 (which happens below) while the previous
> load is
> 295 * still in progress as this can cause rx deafness. Instead by
> returning
> 296 * here, the baseband nf cal will just be capped by our present
> 297 * noisefloor until the next calibration timer.
> 298 */
>
> Since no other error wariants are present, this patch is checking only
> for (ret <= 0).
>
> Reported-by: Dan Carpenter <dan.carpen...@oracle.com>
> Signed-off-by: Oleksij Rempel <external.oleksij.rem...@de.bosch.com>
> ---
> drivers/net/wireless/ath/ath9k/htc_drv_main.c | 13 ++++++++++---
> 1 file changed, 10 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
> b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
> index dab1323..172a9ff 100644
> --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
> +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
> @@ -794,8 +794,11 @@ void ath9k_htc_ani_work(struct work_struct *work)
> common->ani.longcal_timer = timestamp;
> }
>
> - /* Short calibration applies only while caldone is false */
> - if (!common->ani.caldone) {
> + /*
> + * Short calibration applies only while caldone
> + * is false or -ETIMEDOUT
> + */
> + if (common->ani.caldone <= 0) {
> if ((timestamp - common->ani.shortcal_timer) >=
> short_cal_interval) {
> shortcal = true;
> @@ -844,7 +847,11 @@ set_timer:
> */
> cal_interval = ATH_LONG_CALINTERVAL;
> cal_interval = min(cal_interval, (u32)ATH_ANI_POLLINTERVAL);
> - if (!common->ani.caldone)
> + /*
> + * Short calibration applies only while caldone
> + * is false or -ETIMEDOUT
> + */
> + if (common->ani.caldone <= 0)
> cal_interval = min(cal_interval, (u32)short_cal_interval);
>
> ieee80211_queue_delayed_work(common->hw, &priv->ani_work,
> -- Regards, Oleksij
signature.asc
Description: OpenPGP digital signature
