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-rw-r--r--include/net/af_unix.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/net/af_unix.h b/include/net/af_unix.h
index 5ba72d95280c..2fec827c8801 100644
--- a/include/net/af_unix.h
+++ b/include/net/af_unix.h
@@ -67,6 +67,9 @@ struct unix_skb_parms {
#define unix_state_rlock(s) spin_lock(&unix_sk(s)->lock)
#define unix_state_runlock(s) spin_unlock(&unix_sk(s)->lock)
#define unix_state_wlock(s) spin_lock(&unix_sk(s)->lock)
+#define unix_state_wlock_nested(s) \
+ spin_lock_nested(&unix_sk(s)->lock, \
+ SINGLE_DEPTH_NESTING)
#define unix_state_wunlock(s) spin_unlock(&unix_sk(s)->lock)
#ifdef __KERNEL__