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cfg80211: Fix mutex locking in reg_last_request_cell_base
authorMohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Wed, 18 Jul 2012 12:41:29 +0000 (18:11 +0530)
committerJohannes Berg <johannes.berg@intel.com>
Wed, 18 Jul 2012 15:03:15 +0000 (17:03 +0200)
commitebd0fd2b1a30aa836c28e758d8a57ecdfa85052f
tree0459843c65d4fd3b28647da97cd37549f69f423d
parent88bc40e8c3d3bca7d26c756bb0b823d4abad3355
cfg80211: Fix mutex locking in reg_last_request_cell_base

should fix the following issue

[ 3229.815012] [ BUG: lock held when returning to user space! ]
[ 3229.815016] 3.5.0-rc7-wl #28 Tainted: G        W  O
[ 3229.815017]
------------------------------------------------
[ 3229.815019] wpa_supplicant/5783 is leaving the kernel with locks still held!
[ 3229.815022] 1 lock held by wpa_supplicant/5783:
[ 3229.815023]  #0: (reg_mutex){+.+.+.}, at: [<fa65834d>]
reg_last_request_cell_base+0x1d/0x60 [cfg80211]

Cc: Luis Rodriguez <mcgrof@gmail.com>
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Tested-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
net/wireless/reg.c