diff mbox series

[net,4/7] net: mscc: ocelot: check for errors on memory allocation of ports

Message ID 20200915182229.69529-5-olteanv@gmail.com
State New
Headers show
Series Bugfixes in Microsemi Ocelot switch driver | expand

Commit Message

Vladimir Oltean Sept. 15, 2020, 6:22 p.m. UTC 
From: Vladimir Oltean <vladimir.oltean@nxp.com>

Do not proceed probing if we couldn't allocate memory for the ports
array, just error out.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
---
 drivers/net/ethernet/mscc/ocelot_vsc7514.c | 2 ++
 1 file changed, 2 insertions(+)

Comments

David Miller Sept. 17, 2020, 12:21 a.m. UTC | #1 
From: Vladimir Oltean <olteanv@gmail.com>
Date: Tue, 15 Sep 2020 21:22:26 +0300

> @@ -993,6 +993,8 @@ static int mscc_ocelot_probe(struct platform_device *pdev)
>  
>  	ocelot->ports = devm_kcalloc(&pdev->dev, ocelot->num_phys_ports,
>  				     sizeof(struct ocelot_port *), GFP_KERNEL);
> +	if (!ocelot->ports)
> +		return -ENOMEM;

This leaks the reference to OF node 'ports'.
diff mbox series

Patch

diff --git a/drivers/net/ethernet/mscc/ocelot_vsc7514.c b/drivers/net/ethernet/mscc/ocelot_vsc7514.c
index 65408bc994c4..99872f1b7460 100644
--- a/drivers/net/ethernet/mscc/ocelot_vsc7514.c
+++ b/drivers/net/ethernet/mscc/ocelot_vsc7514.c
@@ -993,6 +993,8 @@  static int mscc_ocelot_probe(struct platform_device *pdev)
 
 	ocelot->ports = devm_kcalloc(&pdev->dev, ocelot->num_phys_ports,
 				     sizeof(struct ocelot_port *), GFP_KERNEL);
+	if (!ocelot->ports)
+		return -ENOMEM;
 
 	ocelot->vcap_is2_keys = vsc7514_vcap_is2_keys;
 	ocelot->vcap_is2_actions = vsc7514_vcap_is2_actions;