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wireless: Do not allow disabled channel in scan request 

cfg80211_conn_scan allows disabled channels at scan request.
Hence probe request was seen at the disabled one. This patch
ensures that disabled channel never be added into the scan
request's channel list.

Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rajkumar Manoharan 2011-09-15 17:40:50 +05:30 committed by John W. Linville
parent 4d8b61490c
commit e30815016b
1 changed files with 12 additions and 7 deletions
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19
net/wireless/sme.c
View File

@ -110,17 +110,22 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev)
else {
int i = 0, j;
enum ieee80211_band band;
struct ieee80211_supported_band *bands;
struct ieee80211_channel *channel;
for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
if (!wdev->wiphy->bands[band])
bands = wdev->wiphy->bands[band];
if (!bands)
continue;
for (j = 0; j < wdev->wiphy->bands[band]->n_channels;
i++, j++)
request->channels[i] =
&wdev->wiphy->bands[band]->channels[j];
request->rates[band] =
(1 << wdev->wiphy->bands[band]->n_bitrates) - 1;
for (j = 0; j < bands->n_channels; j++) {
channel = &bands->channels[j];
if (channel->flags & IEEE80211_CHAN_DISABLED)
continue;
request->channels[i++] = channel;
}
request->rates[band] = (1 << bands->n_bitrates) - 1;
}
n_channels = i;
}
request->n_channels = n_channels;
request->ssids = (void *)&request->channels[n_channels];