From: Leon Romanovsky <leonro@mellanox.com>
Date: Sun, 28 Jan 2018 09:25:30 +0000 (+0200)
Subject: RDMA/mlx5: Avoid memory leak in case of XRCD dealloc failure
X-Git-Tag: v4.19~1637^2~54
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b081808a66345ba725b77ecd8d759bee874cd937;p=platform%2Fkernel%2Flinux-rpi.git

RDMA/mlx5: Avoid memory leak in case of XRCD dealloc failure

Failure in XRCD FW deallocation command leaves memory leaked and
returns error to the user which he can't do anything about it.

This patch changes behavior to always free memory and always return
success to the user.

Fixes: e126ba97dba9 ("mlx5: Add driver for Mellanox Connect-IB adapters")
Reviewed-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
---

diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index ae36db3..d5cc95f 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -5067,13 +5067,10 @@ int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd)
 	int err;
 
 	err = mlx5_core_xrcd_dealloc(dev->mdev, xrcdn);
-	if (err) {
+	if (err)
 		mlx5_ib_warn(dev, "failed to dealloc xrcdn 0x%x\n", xrcdn);
-		return err;
-	}
 
 	kfree(xrcd);
-
 	return 0;
 }