[PATCH FIXES for-3.18] IB/mlx4: Fix an incorrectly shadowed variable in mlx4_ib_rereg_user_mr

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From: Jack Morgenstein <jackm@xxxxxxxxxxxxxxxxxx>

This error was detected by sparse static checker:
drivers/infiniband/hw/mlx4/mr.c:226:21: warning: symbol 'err' shadows an earlier one
drivers/infiniband/hw/mlx4/mr.c:197:13: originally declared here

Signed-off-by: Jack Morgenstein <jackm@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Or Gerlitz <ogerlitz@xxxxxxxxxxxx>
---
 drivers/infiniband/hw/mlx4/mr.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c
index 8f9325c..c36ccbd 100644
--- a/drivers/infiniband/hw/mlx4/mr.c
+++ b/drivers/infiniband/hw/mlx4/mr.c
@@ -223,7 +223,6 @@ int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
 
 	if (flags & IB_MR_REREG_TRANS) {
 		int shift;
-		int err;
 		int n;
 
 		mlx4_mr_rereg_mem_cleanup(dev->dev, &mmr->mmr);
-- 
1.7.1

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