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@xxxxxxxxxx>
Reported-by: Dexuan Cui <decui@xxxxxxxxxxxxx>
Fixes: bd1060a1d671 ("sock, cgroup: add sock->sk_cgroup")
---
Hello, Dexuan.
Oops, sorry about that. Somehow thought it was a different problem
which is already fixed. This should do it.
Thanks.
kernel/cgroup.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 4f8f792..4466273f 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -5790,7 +5790,7 @@ EXPORT_SYMBOL_GPL(cgroup_get_from_path);
#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;
void cgroup_sk_alloc_disable(void)
--
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