[PATCH v8 17/20] PCI/AER: Simplify add_error_device()

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From: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>

Return -ENOSPC error early so the usual path through add_error_device() is
the straightline code.

Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
---
 drivers/pci/pcie/aer.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
index 237741e66d28..24f0f5c55256 100644
--- a/drivers/pci/pcie/aer.c
+++ b/drivers/pci/pcie/aer.c
@@ -816,12 +816,15 @@ EXPORT_SYMBOL_NS_GPL(pci_print_aer, "CXL");
  */
 static int add_error_device(struct aer_err_info *e_info, struct pci_dev *dev)
 {
-	if (e_info->error_dev_num < AER_MAX_MULTI_ERR_DEVICES) {
-		e_info->dev[e_info->error_dev_num] = pci_dev_get(dev);
-		e_info->error_dev_num++;
-		return 0;
-	}
-	return -ENOSPC;
+	int i = e_info->error_dev_num;
+
+	if (i >= AER_MAX_MULTI_ERR_DEVICES)
+		return -ENOSPC;
+
+	e_info->dev[i] = pci_dev_get(dev);
+	e_info->error_dev_num++;
+
+	return 0;
 }
 
 /**
-- 
2.43.0





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