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[Qemu-devel] [PATCH v8 22/23] hw/rdma: Do not call rdma_backend_del_gid

From: Yuval Shaia
Subject: [Qemu-devel] [PATCH v8 22/23] hw/rdma: Do not call rdma_backend_del_gid on an empty gid
Date: Mon, 17 Dec 2018 20:45:39 +0200

When device goes down the function fini_ports loops over all entries in
gid table regardless of the fact whether entry is valid or not. In case
that entry is not valid we'd like to skip from any further processing in
backend device.

Signed-off-by: Yuval Shaia <address@hidden>
Reviewed-by: Marcel Apfelbaum <address@hidden>
 hw/rdma/rdma_rm.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/hw/rdma/rdma_rm.c b/hw/rdma/rdma_rm.c
index ca127c8c26..f5b1295890 100644
--- a/hw/rdma/rdma_rm.c
+++ b/hw/rdma/rdma_rm.c
@@ -555,6 +555,10 @@ int rdma_rm_del_gid(RdmaDeviceResources *dev_res, 
RdmaBackendDev *backend_dev,
     int rc;
+    if (!dev_res->port.gid_tbl[gid_idx].gid.global.interface_id) {
+        return 0;
+    }
     rc = rdma_backend_del_gid(backend_dev, ifname,
     if (rc) {

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