From: Mark Bloch <mbloch@nvidia.com>
Date: Wed, 13 Jan 2021 14:17:03 +0200
Subject: RDMA/mlx5: Fix wrong free of blue flame register on error
Patch-mainline: v5.11-rc4
Git-commit: 1c3aa6bd0b823105c2030af85d92d158e815d669
References: bsc#1103991 FATE#326007
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@kernel.org
Reported-by: Hans Petter Selasky <hanss@nvidia.com>
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
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
@@ -6080,7 +6080,7 @@ int mlx5_ib_stage_bfrag_init(struct mlx5
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;
}