[PATCH] net: mscc: ocelot: null check devm_kcalloc

From: Navid Emamdoost
Date: Wed Jul 24 2019 - 21:56:28 EST


devm_kcalloc may fail and return NULL. Added the null check.

Signed-off-by: Navid Emamdoost <navid.emamdoost@xxxxxxxxx>
---
drivers/net/ethernet/mscc/ocelot_board.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/mscc/ocelot_board.c b/drivers/net/ethernet/mscc/ocelot_board.c
index 58bde1a9eacb..52377cfdc31a 100644
--- a/drivers/net/ethernet/mscc/ocelot_board.c
+++ b/drivers/net/ethernet/mscc/ocelot_board.c
@@ -257,6 +257,8 @@ 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;

INIT_LIST_HEAD(&ocelot->multicast);
ocelot_init(ocelot);
--
2.17.1