linux-kernel - [PATCH 5.4 092/111] RDMA/cxgb4: Fix adapter LE hash errors while destroying ipv6 listening server

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Date:   Mon, 29 Mar 2021 09:58:40 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Potnuri Bharat Teja <bharat@...lsio.com>,
        Leon Romanovsky <leonro@...dia.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 092/111] RDMA/cxgb4: Fix adapter LE hash errors while destroying ipv6 listening server

From: Potnuri Bharat Teja <bharat@...lsio.com>

[ Upstream commit 3408be145a5d6418ff955fe5badde652be90e700 ]

Not setting the ipv6 bit while destroying ipv6 listening servers may
result in potential fatal adapter errors due to lookup engine memory hash
errors. Therefore always set ipv6 field while destroying ipv6 listening
servers.

Fixes: 830662f6f032 ("RDMA/cxgb4: Add support for active and passive open connection with IPv6 address")
Link: https://lore.kernel.org/r/20210324190453.8171-1-bharat@chelsio.com
Signed-off-by: Potnuri Bharat Teja <bharat@...lsio.com>
Reviewed-by: Leon Romanovsky <leonro@...dia.com>
Signed-off-by: Jason Gunthorpe <jgg@...dia.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/infiniband/hw/cxgb4/cm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 30e08bcc9afb..3c78f8c32d12 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -3610,13 +3610,13 @@ int c4iw_destroy_listen(struct iw_cm_id *cm_id)
 	    ep->com.local_addr.ss_family == AF_INET) {
 		err = cxgb4_remove_server_filter(
 			ep->com.dev->rdev.lldi.ports[0], ep->stid,
-			ep->com.dev->rdev.lldi.rxq_ids[0], 0);
+			ep->com.dev->rdev.lldi.rxq_ids[0], false);
 	} else {
 		struct sockaddr_in6 *sin6;
 		c4iw_init_wr_wait(ep->com.wr_waitp);
 		err = cxgb4_remove_server(
 				ep->com.dev->rdev.lldi.ports[0], ep->stid,
-				ep->com.dev->rdev.lldi.rxq_ids[0], 0);
+				ep->com.dev->rdev.lldi.rxq_ids[0], true);
 		if (err)
 			goto done;
 		err = c4iw_wait_for_reply(&ep->com.dev->rdev, ep->com.wr_waitp,
-- 
2.30.1