[PATCH 5.10 343/545] mmc: cavium-thunderx: Add of_node_put() when breaking out of loop

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From: Liang He <windhl@xxxxxxx>

[ Upstream commit 7ee480795e41db314f2c445c65ed854a5d6e8e32 ]

In thunder_mmc_probe(), we should call of_node_put() when breaking
out of for_each_child_of_node() which has increased and decreased
the refcount during each iteration.

Fixes: 166bac38c3c5 ("mmc: cavium: Add MMC PCI driver for ThunderX SOCs")
Signed-off-by: Liang He <windhl@xxxxxxx>
Acked-by: Robert Richter <rric@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20220719095216.1241601-2-windhl@xxxxxxx
Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/mmc/host/cavium-thunderx.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/cavium-thunderx.c b/drivers/mmc/host/cavium-thunderx.c
index 76013bbbcff3..202b1d6da678 100644
--- a/drivers/mmc/host/cavium-thunderx.c
+++ b/drivers/mmc/host/cavium-thunderx.c
@@ -142,8 +142,10 @@ static int thunder_mmc_probe(struct pci_dev *pdev,
 				continue;
 
 			ret = cvm_mmc_of_slot_probe(&host->slot_pdev[i]->dev, host);
-			if (ret)
+			if (ret) {
+				of_node_put(child_node);
 				goto error;
+			}
 		}
 		i++;
 	}
-- 
2.35.1






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