wireless: convert reg_regdb_search_lock to mutex
commit368d06f5b0eefcbf37d677d3b65381310a251f03
authorJohn W. Linville <linville@tuxdriver.com>
Tue, 16 Mar 2010 19:40:59 +0000 (16 15:40 -0400)
committerJohn W. Linville <linville@tuxdriver.com>
Tue, 30 Mar 2010 19:37:20 +0000 (30 15:37 -0400)
treee8e05e1e6a34583f31203c29c03dcf9f6c036aeb
parentc8406ea8fa1adde8dc5400127281d497bbcdb84a
wireless: convert reg_regdb_search_lock to mutex

Stanse discovered that kmalloc is being called with GFP_KERNEL while
holding this spinlock.  The spinlock can be a mutex instead, which also
enables the removal of the unlock/lock around the lock/unlock of
cfg80211_mutex and the call to set_regdom.

Reported-by: Jiri Slaby <jirislaby@gmail.com>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
net/wireless/reg.c