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Commit cb236d2d authored by Johannes Berg's avatar Johannes Berg
Browse files

mac80211: don't wait for TX status forever 



TX status notification can get lost, or the frames could
get stuck on the queue, so don't wait for the callback
from the driver forever and instead time out after half
a second.

Cc: stable@vger.kernel.org
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent b56e4b85

net/mac80211/mlme.c

+12 −3
Original line number Diff line number Diff line
@@ -31,10 +31,12 @@ 
#include "led.h"



#define IEEE80211_AUTH_TIMEOUT		(HZ / 5)

#define IEEE80211_AUTH_TIMEOUT_LONG	(HZ / 2)

#define IEEE80211_AUTH_TIMEOUT_SHORT	(HZ / 10)

#define IEEE80211_AUTH_MAX_TRIES	3

#define IEEE80211_AUTH_WAIT_ASSOC	(HZ * 5)

#define IEEE80211_ASSOC_TIMEOUT		(HZ / 5)

#define IEEE80211_ASSOC_TIMEOUT_LONG	(HZ / 2)

#define IEEE80211_ASSOC_TIMEOUT_SHORT	(HZ / 10)

#define IEEE80211_ASSOC_MAX_TRIES	3
@@ -3394,10 +3396,13 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata) 


	if (tx_flags == 0) {

		auth_data->timeout = jiffies + IEEE80211_AUTH_TIMEOUT;

		ifmgd->auth_data->timeout_started = true;

		auth_data->timeout_started = true;

		run_again(sdata, auth_data->timeout);

	} else {

		auth_data->timeout_started = false;

		auth_data->timeout =

			round_jiffies_up(jiffies + IEEE80211_AUTH_TIMEOUT_LONG);

		auth_data->timeout_started = true;

		run_again(sdata, auth_data->timeout);

	}



	return 0;
@@ -3434,7 +3439,11 @@ static int ieee80211_do_assoc(struct ieee80211_sub_if_data *sdata) 
		assoc_data->timeout_started = true;

		run_again(sdata, assoc_data->timeout);

	} else {

		assoc_data->timeout_started = false;

		assoc_data->timeout =

			round_jiffies_up(jiffies +

					 IEEE80211_ASSOC_TIMEOUT_LONG);

		assoc_data->timeout_started = true;

		run_again(sdata, assoc_data->timeout);

	}



	return 0;