update kernel to 5.10.198

hc

2024-01-03 2f7c68cb55ecb7331f2381deb497c27155f32faf

 kernel/net/rds/rdma_transport.c
..
..
@@ -86,10 +86,12 @@
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 		break;
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 	case RDMA_CM_EVENT_ADDR_RESOLVED:
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-		rdma_set_service_type(cm_id, conn->c_tos);
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-		/* XXX do we need to clean up if this fails? */
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-		ret = rdma_resolve_route(cm_id,
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+		if (conn) {
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+			rdma_set_service_type(cm_id, conn->c_tos);
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+			/* XXX do we need to clean up if this fails? */
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+			ret = rdma_resolve_route(cm_id,
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 					 RDS_RDMA_RESOLVE_TIMEOUT_MS);
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+		}
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 		break;
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 	case RDMA_CM_EVENT_ROUTE_RESOLVED: