[PATCH 5.7 068/179] dpaa_eth: Fix one possible memleak in dpaa_eth_probe

From: Greg Kroah-Hartman
Date: Mon Jul 27 2020 - 10:21:37 EST


From: Liu Jian <liujian56@xxxxxxxxxx>

[ Upstream commit 6790711f8ac5faabc43237c0d05d93db431a1ecc ]

When dma_coerce_mask_and_coherent() fails, the alloced netdev need to be freed.

Fixes: 060ad66f9795 ("dpaa_eth: change DMA device")
Signed-off-by: Liu Jian <liujian56@xxxxxxxxxx>
Acked-by: Madalin Bucur <madalin.bucur@xxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
index 6bfa7575af942..5f82c1f32f09b 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
@@ -2938,7 +2938,7 @@ static int dpaa_eth_probe(struct platform_device *pdev)
DMA_BIT_MASK(40));
if (err) {
netdev_err(net_dev, "dma_coerce_mask_and_coherent() failed\n");
- return err;
+ goto free_netdev;
}

/* If fsl_fm_max_frm is set to a higher value than the all-common 1500,
--
2.25.1