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cfg80211: ignore invalid BSSIDs when looking for BSSes 

When looking for a BSS matching given parameters, ignore invalid
BSSIDs. This avoids, for example, trying to join an IBSS that has
a multicast BSSID, which isn't supported by all drivers nor is it
a valid configuration of the IBSS so better create a new one with
a correctly chosen random BSSID.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2014-04-09 22:36:50 +02:00
parent 74f8274103
commit c14a74007f
1 changed files with 2 additions and 0 deletions
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2
net/wireless/scan.c
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@ -540,6 +540,8 @@ struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy,
continue;
if (channel && bss->pub.channel != channel)
continue;
if (!is_valid_ether_addr(bss->pub.bssid))
continue;
/* Don't get expired BSS structs */
if (time_after(now, bss->ts + IEEE80211_SCAN_RESULT_EXPIRE) &&
!atomic_read(&bss->hold))