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-rw-r--r--drivers/infiniband/hw/mlx5/mr.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index ecc111ed5d86..38d2c743db87 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -641,10 +641,8 @@ static int mlx5_cache_ent_insert(struct mlx5_mkey_cache *cache,
new = &((*new)->rb_left);
if (cmp < 0)
new = &((*new)->rb_right);
- if (cmp == 0) {
- mutex_unlock(&cache->rb_lock);
+ if (cmp == 0)
return -EEXIST;
- }
}
/* Add new node and rebalance tree. */