From: "John W. Linville" <linville@tuxdriver.com>
To: davem@davemloft.net
Cc: linux-wireless@vger.kernel.org, netdev@vger.kernel.org
Subject: [PATCH 4/4] mac80211: avoid null ptr deref in ieee80211_ibss_add_sta
Date: Wed, 30 May 2007 14:30:33 -0400 [thread overview]
Message-ID: <20070530183033.GG3610@tuxdriver.com> (raw)
In-Reply-To: <20070530182946.GF3610@tuxdriver.com>
From: John W. Linville <linville@tuxdriver.com>
avoid sdata null pointer dereference in ieee80211_ibss_add_sta.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
net/mac80211/ieee80211_sta.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/net/mac80211/ieee80211_sta.c b/net/mac80211/ieee80211_sta.c
index dbac858..9f30ae4 100644
--- a/net/mac80211/ieee80211_sta.c
+++ b/net/mac80211/ieee80211_sta.c
@@ -2997,7 +2997,7 @@ struct sta_info * ieee80211_ibss_add_sta(struct net_device *dev,
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct sta_info *sta;
- struct ieee80211_sub_if_data *sdata = NULL;
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
/* TODO: Could consider removing the least recently used entry and
* allow new one to be added. */
--
1.5.0.6
--
John W. Linville
linville@tuxdriver.com
next prev parent reply other threads:[~2007-05-30 19:01 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-30 18:25 [PATCH 0/4] mac80211 fixes for 2.6.22 John W. Linville
[not found] ` <20070530182538.GB3610-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org>
2007-05-30 18:28 ` [PATCH 1/4] mac80211: fail back to use associate from reassociate John W. Linville
2007-05-30 18:28 ` [PATCH 2/4] mac80211: fix memory leak when defrag fragments John W. Linville
[not found] ` <20070530182858.GE3610-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org>
2007-05-30 18:29 ` [PATCH 3/4] mac80211: always set carrier status on open John W. Linville
2007-05-30 18:30 ` John W. Linville [this message]
2007-05-31 8:25 ` [PATCH 0/4] mac80211 fixes for 2.6.22 David Miller
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