[PATCH 5.4 65/76] RDMA/mlx5: Fix wrong free of blue flame register on error

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From: Mark Bloch <mbloch@xxxxxxxxxx>

commit 1c3aa6bd0b823105c2030af85d92d158e815d669 upstream.

If the allocation of the fast path blue flame register fails, the driver
should free the regular blue flame register allocated a statement above,
not the one that it just failed to allocate.

Fixes: 16c1975f1032 ("IB/mlx5: Create profile infrastructure to add and remove stages")
Link: https://lore.kernel.org/r/20210113121703.559778-6-leon@xxxxxxxxxx
Reported-by: Hans Petter Selasky <hanss@xxxxxxxxxx>
Signed-off-by: Mark Bloch <mbloch@xxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx>
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/infiniband/hw/mlx5/main.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -6626,7 +6626,7 @@ static int mlx5_ib_stage_bfrag_init(stru
 
 	err = mlx5_alloc_bfreg(dev->mdev, &dev->fp_bfreg, false, true);
 	if (err)
-		mlx5_free_bfreg(dev->mdev, &dev->fp_bfreg);
+		mlx5_free_bfreg(dev->mdev, &dev->bfreg);
 
 	return err;
 }





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