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-rw-r--r--kernel/rcu/rcu.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/rcu/rcu.h b/kernel/rcu/rcu.h
index 91e0bf31f6ce..0bc1313c49e2 100644
--- a/kernel/rcu/rcu.h
+++ b/kernel/rcu/rcu.h
@@ -73,8 +73,8 @@ static inline void rcu_seq_start(unsigned long *sp)
static inline void rcu_seq_end(unsigned long *sp)
{
smp_mb(); /* Ensure update-side operation before counter increment. */
+ WARN_ON_ONCE(!(*sp & 0x1));
WRITE_ONCE(*sp, *sp + 1);
- WARN_ON_ONCE(*sp & 0x1);
}
/* Take a snapshot of the update side's sequence number. */