net: Explicitly initialize u64_stats_sync structures for lockdep

[~andy/linux] / include / linux / u64_stats_sync.h

diff --git a/include/linux/u64_stats_sync.h b/include/linux/u64_stats_sync.h
index 8da8c4e87da3018323177000d46a5e42b19bf23f..7bfabd20204c150afa40a7249932519c0e770267 100644 (file)
--- a/include/linux/u64_stats_sync.h
+++ b/include/linux/u64_stats_sync.h
@@ -67,6 +67,13 @@ struct u64_stats_sync {
 #endif
 };
 
+
+#if BITS_PER_LONG == 32 && defined(CONFIG_SMP)
+# define u64_stats_init(syncp) seqcount_init(syncp.seq)
+#else
+# define u64_stats_init(syncp) do { } while (0)
+#endif
+
 static inline void u64_stats_update_begin(struct u64_stats_sync *syncp)
 {
 #if BITS_PER_LONG==32 && defined(CONFIG_SMP)