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-rw-r--r--lib/librte_rcu/rte_rcu_qsbr.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/librte_rcu/rte_rcu_qsbr.c b/lib/librte_rcu/rte_rcu_qsbr.c
index a6b66ac..474675d 100644
--- a/lib/librte_rcu/rte_rcu_qsbr.c
+++ b/lib/librte_rcu/rte_rcu_qsbr.c
@@ -157,7 +157,7 @@ rte_rcu_qsbr_thread_unregister(struct rte_rcu_qsbr *v, unsigned int thread_id)
/* Check if the thread is already unregistered */
old_bmap = __atomic_load_n(__RTE_QSBR_THRID_ARRAY_ELM(v, i),
__ATOMIC_RELAXED);
- if (old_bmap & ~(1UL << id))
+ if (!(old_bmap & (1UL << id)))
return 0;
do {
@@ -174,7 +174,7 @@ rte_rcu_qsbr_thread_unregister(struct rte_rcu_qsbr *v, unsigned int thread_id)
if (success)
__atomic_fetch_sub(&v->num_threads,
1, __ATOMIC_RELAXED);
- else if (old_bmap & ~(1UL << id))
+ else if (!(old_bmap & (1UL << id)))
/* Someone else unregistered this thread.
* Counter should not be incremented.
*/