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cfg80211: Update of regulatory request initiator handling

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In some cases there could be possible dereferencing freed pointer. The
update is intended to avoid this issue.

Signed-off-by: Yuri Ershov <ext-yuri.ershov@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Yuri Ershov 2010-06-29 15:08:08 +04:00 committed by John W. Linville
parent d080e2755d
commit c4c322941c
1 changed files with 2 additions and 1 deletions
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3
net/wireless/reg.c
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@ -1306,6 +1306,7 @@ static void reg_process_hint(struct regulatory_request *reg_request)
{
int r = 0;
struct wiphy *wiphy = NULL;
enum nl80211_reg_initiator initiator = reg_request->initiator;
BUG_ON(!reg_request->alpha2);
@ -1325,7 +1326,7 @@ static void reg_process_hint(struct regulatory_request *reg_request)
/* This is required so that the orig_* parameters are saved */
if (r == -EALREADY && wiphy &&
wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY)
wiphy_update_regulatory(wiphy, reg_request->initiator);
wiphy_update_regulatory(wiphy, initiator);
out:
mutex_unlock(&reg_mutex);
mutex_unlock(&cfg80211_mutex);