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Message-Id: <20190809133923.318510362@linuxfoundation.org>
Date:   Fri,  9 Aug 2019 15:45:14 +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, Jason Gunthorpe <jgg@...lanox.com>
Subject: [PATCH 4.9 11/32] [PATCH] IB: directly cast the sockaddr union to aockaddr

Like commit 641114d2af31 ("RDMA: Directly cast the sockaddr union to
sockaddr") we need to quiet gcc 9 from warning about this crazy union.
That commit did not fix all of the warnings in 4.19 and older kernels
because the logic in roce_resolve_route_from_path() was rewritten
between 4.19 and 5.2 when that change happened.

Cc: Jason Gunthorpe <jgg@...lanox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/infiniband/core/sa_query.c |   10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -1109,7 +1109,6 @@ int ib_init_ah_from_path(struct ib_devic
 						 .net = rec->net ? rec->net :
 							 &init_net};
 		union {
-			struct sockaddr     _sockaddr;
 			struct sockaddr_in  _sockaddr_in;
 			struct sockaddr_in6 _sockaddr_in6;
 		} sgid_addr, dgid_addr;
@@ -1117,12 +1116,13 @@ int ib_init_ah_from_path(struct ib_devic
 		if (!device->get_netdev)
 			return -EOPNOTSUPP;
 
-		rdma_gid2ip(&sgid_addr._sockaddr, &rec->sgid);
-		rdma_gid2ip(&dgid_addr._sockaddr, &rec->dgid);
+		rdma_gid2ip((struct sockaddr *)&sgid_addr, &rec->sgid);
+		rdma_gid2ip((struct sockaddr *)&dgid_addr, &rec->dgid);
 
 		/* validate the route */
-		ret = rdma_resolve_ip_route(&sgid_addr._sockaddr,
-					    &dgid_addr._sockaddr, &dev_addr);
+		ret = rdma_resolve_ip_route((struct sockaddr *)&sgid_addr,
+					    (struct sockaddr *)&dgid_addr,
+					    &dev_addr);
 		if (ret)
 			return ret;
 


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