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cfg80211: discard regulatory hints from country IEs with undefined wiphy

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Regulatory hints are processed in a worker thread and by the
time this thread gets a chance to schedule driver can deregister
the wiphy on which the country IE was discovered. There is no need
to process the hints which are coming from such invalid wiphy
devices.

Change-Id: I44f6f7b29ed1d0927151a88f3ea9e0c17044bd7e
CRs-Fixed: 588103
Signed-off-by: Mihir Shete <smihir@codeaurora.org>
This commit is contained in:
Mihir Shete 2013-12-16 09:27:19 +05:30 committed by Gerrit - the friendly Code Review server
parent 39e0d0b386
commit 051ac9bc35
1 changed files with 2 additions and 1 deletions
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3
net/wireless/reg.c
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@ -1557,7 +1557,8 @@ static void reg_process_hint(struct regulatory_request *reg_request,
if (reg_request->wiphy_idx != WIPHY_IDX_INVALID) if (reg_request->wiphy_idx != WIPHY_IDX_INVALID)
wiphy = wiphy_idx_to_wiphy(reg_request->wiphy_idx); wiphy = wiphy_idx_to_wiphy(reg_request->wiphy_idx);
if (reg_initiator == NL80211_REGDOM_SET_BY_DRIVER && !wiphy) { if ((reg_initiator == NL80211_REGDOM_SET_BY_DRIVER ||
reg_initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) && !wiphy) {
kfree(reg_request); kfree(reg_request);
return; return;
} }