From: Eliad Peller <eliad@wizery.com>
Date: Tue, 19 Jul 2011 10:14:42 +0000 (+0300)
Subject: mac80211: check sta_info_get() return value
X-Git-Tag: v3.1-rc1~255^2~14^2^2~47
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0a557ed3a0a4f7e36d76da137b781344f548c464;p=pandora-kernel.git

mac80211: check sta_info_get() return value

ieee80211_stop_rx_ba_session() was calling sta_info_get()
without rcu locking, and the return value was not
checked.
This resulted in the following panic:

[<bf05726c>] (ieee80211_stop_rx_ba_session+0x0/0x60 [mac80211])
[<bf0abd94>] (wl1271_event_handle+0x0/0xdc8 [wl12xx])
[<bf0a7308>] (wl1271_irq+0x0/0x4a0 [wl12xx])
[<c00c40a8>] (irq_thread+0x0/0x254)
[<c00a7398>] (kthread+0x0/0x8c)

Signed-off-by: Eliad Peller <eliad@wizery.com>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

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