[PATCH 5.4 009/475] ethernet: sun: Free the coherent when failing in probing

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From: Zheyu Ma <zheyuma97@xxxxxxxxx>

[ Upstream commit bb77bd31c281f70ec77c9c4f584950a779e05cf8 ]

When the driver fails to register net device, it should free the DMA
region first, and then do other cleanup.

Signed-off-by: Zheyu Ma <zheyuma97@xxxxxxxxx>
Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/net/ethernet/sun/sunhme.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/sun/sunhme.c b/drivers/net/ethernet/sun/sunhme.c
index d007dfeba5c3..3133f903279c 100644
--- a/drivers/net/ethernet/sun/sunhme.c
+++ b/drivers/net/ethernet/sun/sunhme.c
@@ -3164,7 +3164,7 @@ static int happy_meal_pci_probe(struct pci_dev *pdev,
 	if (err) {
 		printk(KERN_ERR "happymeal(PCI): Cannot register net device, "
 		       "aborting.\n");
-		goto err_out_iounmap;
+		goto err_out_free_coherent;
 	}
 
 	pci_set_drvdata(pdev, hp);
@@ -3197,6 +3197,10 @@ static int happy_meal_pci_probe(struct pci_dev *pdev,
 
 	return 0;
 
+err_out_free_coherent:
+	dma_free_coherent(hp->dma_dev, PAGE_SIZE,
+			  hp->happy_block, hp->hblock_dvma);
+
 err_out_iounmap:
 	iounmap(hp->gregs);
 
-- 
2.34.1






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