Thread (3 messages) flat view 3 messages, 3 authors, 2020-08-24
STALE2197d

[PATCH] net: systemport: Fix memleak in bcm_sysport_probe

From: Dinghao Liu <hidden>
Date: 2020-08-24 06:15:27
Also in: lkml
Subsystem: broadcom systemport ethernet driver, networking drivers, the rest · Maintainers: Florian Fainelli, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

When devm_kcalloc() fails, dev should be freed just
like what we've done in the subsequent error paths.

Fixes: 7b78be48a8eb6 ("net: systemport: Dynamically allocate number of TX rings")
Signed-off-by: Dinghao Liu <redacted>
---
 drivers/net/ethernet/broadcom/bcmsysport.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index dfed9ade6950..0762d5d1a810 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -2491,8 +2491,10 @@ static int bcm_sysport_probe(struct platform_device *pdev)
 	priv->tx_rings = devm_kcalloc(&pdev->dev, txq,
 				      sizeof(struct bcm_sysport_tx_ring),
 				      GFP_KERNEL);
-	if (!priv->tx_rings)
-		return -ENOMEM;
+	if (!priv->tx_rings) {
+		ret = -ENOMEM;
+		goto err_free_netdev;
+	}
 
 	priv->is_lite = params->is_lite;
 	priv->num_rx_desc_words = params->num_rx_desc_words;
-- 
2.17.1
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