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-rw-r--r--drivers/cxl/core/pci.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/cxl/core/pci.c b/drivers/cxl/core/pci.c
index a663e7566c48..51132a575b27 100644
--- a/drivers/cxl/core/pci.c
+++ b/drivers/cxl/core/pci.c
@@ -834,11 +834,13 @@ static void cxl_disable_rch_root_ints(struct cxl_dport *dport)
void cxl_setup_parent_dport(struct device *host, struct cxl_dport *dport)
{
struct device *dport_dev = dport->dport_dev;
- struct pci_host_bridge *host_bridge;
- host_bridge = to_pci_host_bridge(dport_dev);
- if (host_bridge->native_aer)
- dport->rcrb.aer_cap = cxl_rcrb_to_aer(dport_dev, dport->rcrb.base);
+ if (dport->rch) {
+ struct pci_host_bridge *host_bridge = to_pci_host_bridge(dport_dev);
+
+ if (host_bridge->native_aer)
+ dport->rcrb.aer_cap = cxl_rcrb_to_aer(dport_dev, dport->rcrb.base);
+ }
dport->reg_map.host = host;
cxl_dport_map_regs(dport);