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migration/rdma: Fix qemu_rdma_broken_ipv6_kernel() to set error

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qemu_rdma_resolve_host() and qemu_rdma_dest_init() try addresses until
they find on that works.  If none works, they return the first Error
set by qemu_rdma_broken_ipv6_kernel(), or else return a generic one.

qemu_rdma_broken_ipv6_kernel() neglects to set an Error when
ibv_open_device() fails.  If a later address fails differently, we use
that Error instead, or else the generic one.  Harmless enough, but
needs fixing all the same.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Li Zhijian <lizhijian@fujitsu.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20230928132019.2544702-21-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2023-09-28 15:19:46 +02:00 committed by Juan Quintela
parent de3e05e8b9
commit 142bd685ae
1 changed files with 2 additions and 0 deletions
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2
migration/rdma.c
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@ -861,6 +861,8 @@ static int qemu_rdma_broken_ipv6_kernel(struct ibv_context *verbs, Error **errp)
if (errno == EPERM) {
continue;
} else {
error_setg_errno(errp, errno,
"could not open RDMA device context");
return -EINVAL;
}
}