From: Potnuri Bharat Teja <bharat@chelsio.com>
Date: Mon, 25 May 2020 00:38:14 +0530
Subject: RDMA/iw_cxgb4: cleanup device debugfs entries on ULD remove
Patch-mainline: v5.8-rc1
Git-commit: 49ea0c036ede81f126f1a9389d377999fdf5c5a1
References: jsc#SLE-15118

Remove device specific debugfs entries immediately if LLD detaches a
particular ULD device in case of fatal PCI errors.

Link: https://lore.kernel.org/r/20200524190814.17599-1-bharat@chelsio.com
Signed-off-by: Potnuri Bharat Teja <bharat@chelsio.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/infiniband/hw/cxgb4/device.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/infiniband/hw/cxgb4/device.c
+++ b/drivers/infiniband/hw/cxgb4/device.c
@@ -953,6 +953,7 @@ void c4iw_dealloc(struct uld_ctx *ctx)
 static void c4iw_remove(struct uld_ctx *ctx)
 {
 	pr_debug("c4iw_dev %p\n", ctx->dev);
+	debugfs_remove_recursive(ctx->dev->debugfs_root);
 	c4iw_unregister_device(ctx->dev);
 	c4iw_dealloc(ctx);
 }