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mac80211: Fix scan_ies_len to include DS Params

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Commit 651b52254f added DS Parameter Set
information into Probe Request frames that are transmitted on 2.4 GHz
band, but it failed to increment local->scan_ies_len to cover this new
information. This variable needs to be updated to match the maximum IE
data length so that the extra buffer need gets reduced from the driver
limit.

Signed-off-by: Jouni Malinen <j@w1.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Jouni Malinen 2010-10-27 13:40:33 +03:00 committed by John W. Linville
parent d654567dec
commit dc9f48ce7c
1 changed files with 3 additions and 2 deletions
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5
net/mac80211/main.c
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@ -677,10 +677,11 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
/*
* Calculate scan IE length -- we need this to alloc
* memory and to subtract from the driver limit. It
* includes the (extended) supported rates and HT
* includes the DS Params, (extended) supported rates, and HT
* information -- SSID is the driver's responsibility.
*/
local->scan_ies_len = 4 + max_bitrates; /* (ext) supp rates */
local->scan_ies_len = 4 + max_bitrates /* (ext) supp rates */ +
3 /* DS Params */;
if (supp_ht)
local->scan_ies_len += 2 + sizeof(struct ieee80211_ht_cap);