The pci_epc_get() function returns error pointers. It never returns NULL.
Update the check to match.
Fixes: 1c3b002c6bf6 ("PCI: endpoint: Add RC-to-EP doorbell support using platform MSI controller")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
drivers/pci/endpoint/pci-ep-msi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/endpoint/pci-ep-msi.c b/drivers/pci/endpoint/pci-ep-msi.c
index 9ca89cbfec15..1b58357b905f 100644
--- a/drivers/pci/endpoint/pci-ep-msi.c
+++ b/drivers/pci/endpoint/pci-ep-msi.c
@@ -24,7 +24,7 @@ static void pci_epf_write_msi_msg(struct msi_desc *desc, struct msi_msg *msg)
struct pci_epf *epf;
epc = pci_epc_get(dev_name(msi_desc_to_dev(desc)));
- if (!epc)
+ if (IS_ERR(epc))
return;
epf = list_first_entry_or_null(&epc->pci_epf, struct pci_epf, list);
--
2.47.2
