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[PATCH] Improve passive scanning: check not only for proberesp_ies but also for beacon_ies

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Improve passive scanning: check not only for proberesp_ies but also for beacon_ies Without this improvement, it always attempts to send a probe request (which it's not allowed) and then wait for auth_data->timeout.
    The log without patch:
Jan 1 02:48:03 (none) kern.info kernel: [10084.062491] wlan0: authenticate with 04:f0:21:02:46:93 Jan 1 02:48:03 (none) kern.info kernel: [10084.064933] wlan0: direct probe to 04:f0:21:02:46:93 (try 1/3) Jan 1 02:48:04 (none) kern.info kernel: [10084.078417] wlan0: send auth to 04:f0:21:02:46:93 (try 2/3) Jan 1 02:48:04 (none) kern.info kernel: [10084.079363] wlan0: authenticated Jan 1 02:48:04 (none) kern.info kernel: [10084.082648] wlan0: associate with 04:f0:21:02:46:93 (try 1/3) Jan 1 02:48:04 (none) kern.info kernel: [10084.083726] wlan0: RX AssocResp from 04:f0:21:02:46:93 (capab=0x11 status=0 aid=1)
    The log with patch:
Jan 1 02:46:25 (none) kern.info kernel: [ 9985.696798] wlan0: authenticate with 04:f0:21:02:46:53 Jan 1 02:46:25 (none) kern.info kernel: [ 9985.699234] wlan0: send auth to 04:f0:21:02:46:53 (try 1/3) Jan 1 02:46:25 (none) kern.info kernel: [ 9985.700211] wlan0: authenticated Jan 1 02:46:25 (none) kern.info kernel: [ 9985.702583] wlan0: associate with 04:f0:21:02:46:53 (try 1/3) Jan 1 02:46:25 (none) kern.info kernel: [ 9985.703624] wlan0: RX AssocResp from 04:f0:21:02:46:53 (capab=0x11 status=0 aid=1)

Signed-off-by: Matthias May <matthias.may@xxxxxxxxxxx>
---
 net/mac80211/mlme.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index d2a4f78..fae5f9c 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2817,7 +2817,7 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata)
        drv_mgd_prepare_tx(local, sdata);

-       if (auth_data->bss->proberesp_ies) {
+       if (auth_data->bss->proberesp_ies || auth_data->bss->beacon_ies) {
                u16 trans = 1;
                u16 status = 0;

--
Matthias May
Software Engineer

Neratec Solutions AG
Postfach 83, CH-8608 Bubikon, Switzerland
Direct: +41 55 253 2074
Office: +41 55 253 2000
Fax:    +41 55 253 2070
email:  matthias.may@xxxxxxxxxxx
Web:   www.neratec.com

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