IB/mlx5: Remove dead code

The value of the local variable index is never used in reg_mr_callback().

Signed-off-by: Eli Cohen <eli@mellanox.com>

[ Remove now-unused variable delta too.  - Roland ]

Signed-off-by: Roland Dreier <roland@purestorage.com>

1 files changed, 0 insertions, 6 deletions

diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 2c4626f7b1b8..039c3e40fcb4 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -72,14 +72,8 @@ static void reg_mr_callback(int status, void *context)
         int c = order2idx(dev, mr->order);
         struct mlx5_cache_ent *ent = &cache->ent[c];
         u8 key;
-        unsigned long delta = jiffies - mr->start;
-        unsigned long index;
         unsigned long flags;
 
-        index = find_last_bit(&delta, 8 * sizeof(delta));
-        if (index == 64)
-                index = 0;
-
         spin_lock_irqsave(&ent->lock, flags);
         ent->pending--;
         spin_unlock_irqrestore(&ent->lock, flags);