Messages in this thread Patch in this message | | | From | Kangjie Lu <> | Subject | [PATCH] net: ocelot_board: fix a NULL pointer dereference | Date | Mon, 11 Mar 2019 01:36:32 -0500 |
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In case devm_kcalloc fails, the fix returns -ENOMEM to avoid NULL pointer dereference.
Signed-off-by: Kangjie Lu <kjlu@umn.edu> --- 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 e7f90101d2e0..af68abf1632a 100644 --- a/drivers/net/ethernet/mscc/ocelot_board.c +++ b/drivers/net/ethernet/mscc/ocelot_board.c @@ -256,6 +256,8 @@ 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
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