From: Leon Romanovsky <leonro@mellanox.com>
Date: Thu, 29 Nov 2018 12:25:29 +0200
Subject: RDMA/mlx5: Initialize return variable in case pagefault was skipped
Patch-mainline: v4.20-rc5
Git-commit: 7bca603a69c0c239654a8f0bcb99e1a60b30040c
References: bsc#1103991 FATE#326007
Pagefaults occurred in non-ODP MR are completely valid events, so
initialize return variable to 0.
Fixes: 4d5422a309de ("IB/mlx5: Skip non-ODP MR when handling a page fault")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/infiniband/hw/mlx5/odp.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/infiniband/hw/mlx5/odp.c
+++ b/drivers/infiniband/hw/mlx5/odp.c
@@ -679,6 +679,7 @@ next_mr:
key);
if (bytes_mapped)
*bytes_mapped += bcnt;
+ ret = 0;
goto srcu_unlock;
}