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net, cgroup: cgroup_sk_updat_lock was missing initializer

bd1060a1d671 ("sock, cgroup: add sock->sk_cgroup") added global
spinlock cgroup_sk_update_lock but erroneously skipped initializer
leading to uninitialized spinlock warning.  Fix it by using
DEFINE_SPINLOCK().

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Dexuan Cui <decui@microsoft.com>
Fixes: bd1060a1d671 ("sock, cgroup: add sock->sk_cgroup")
Signed-off-by: David S. Miller <davem@davemloft.net>
Tejun Heo 9 years ago
parent
cb4396edd8
commit
3fa4cc9c2d
1 changed files with 1 additions and 1 deletions
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  1. 1 1
      kernel/cgroup.c

+ 1 - 1
kernel/cgroup.c
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@@ -5790,7 +5790,7 @@ EXPORT_SYMBOL_GPL(cgroup_get_from_path);
 
 
 
 #if defined(CONFIG_CGROUP_NET_PRIO) || defined(CONFIG_CGROUP_NET_CLASSID)
 
 #if defined(CONFIG_CGROUP_NET_PRIO) || defined(CONFIG_CGROUP_NET_CLASSID)
 
 
 
-spinlock_t cgroup_sk_update_lock;
 
+DEFINE_SPINLOCK(cgroup_sk_update_lock);
 
 static bool cgroup_sk_alloc_disabled __read_mostly;
 
 static bool cgroup_sk_alloc_disabled __read_mostly;
 
 
 
 void cgroup_sk_alloc_disable(void)
 
 void cgroup_sk_alloc_disable(void)