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| author | Luis R. Rodriguez <mcgrof@qca.qualcomm.com> | 2011-12-20 12:23:36 -0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-01-04 14:30:40 -0500 |
| commit | 8848bef0382af53a7c9568bbc6757db97c53a0e3 (patch) | |
| tree | b92592b1aa3095e441d64f0de28899cdc24e0c1a /net | |
| parent | a98aa7ae14529144527b64a54a9ecd828fa805a6 (diff) | |
| download | lwn-8848bef0382af53a7c9568bbc6757db97c53a0e3.tar.gz lwn-8848bef0382af53a7c9568bbc6757db97c53a0e3.zip | |
cfg80211: replace reg.c Nokia commit c4c32294
Nokia hasn't gotten back to me in over 1 month for a relicense
change request. There are only a few changes that they contributed,
so just reverting their changes but replacing with another set.
This change replaces this commit:
commit c4c322941ce0d7e2b7b8794ad70683123d9cb26a
Author: Yuri Ershov <ext-yuri.ershov@nokia.com>
Date: Tue Jun 29 15:08:08 2010 +0400
cfg80211: Update of regulatory request initiator handling
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>
Cc: Petri Karhula <petri.karhula@nokia.com>
Signed-off-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/wireless/reg.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 58d393766035..728a8fdf04b3 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -1480,18 +1480,18 @@ new_request: } /* This processes *all* regulatory hints */ -static void reg_process_hint(struct regulatory_request *reg_request) +static void reg_process_hint(struct regulatory_request *reg_request, + enum nl80211_reg_initiator reg_initiator) { int r = 0; struct wiphy *wiphy = NULL; - enum nl80211_reg_initiator initiator = reg_request->initiator; BUG_ON(!reg_request->alpha2); if (wiphy_idx_valid(reg_request->wiphy_idx)) wiphy = wiphy_idx_to_wiphy(reg_request->wiphy_idx); - if (reg_request->initiator == NL80211_REGDOM_SET_BY_DRIVER && + if (reg_initiator == NL80211_REGDOM_SET_BY_DRIVER && !wiphy) { kfree(reg_request); return; @@ -1501,7 +1501,7 @@ 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, initiator); + wiphy_update_regulatory(wiphy, reg_initiator); return; } @@ -1510,7 +1510,7 @@ static void reg_process_hint(struct regulatory_request *reg_request) * source of bogus requests. */ if (r != -EALREADY && - reg_request->initiator == NL80211_REGDOM_SET_BY_USER) + reg_initiator == NL80211_REGDOM_SET_BY_USER) schedule_delayed_work(®_timeout, msecs_to_jiffies(3142)); } @@ -1547,7 +1547,7 @@ static void reg_process_pending_hints(void) spin_unlock(®_requests_lock); - reg_process_hint(reg_request); + reg_process_hint(reg_request, reg_request->initiator); out: mutex_unlock(®_mutex); |