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Commit 8ea91226 authored by Vasiliy Kulikov's avatar Vasiliy Kulikov Committed by David S. Miller
Browse files

net: caif: spi: fix potential NULL dereference 



alloc_netdev() is not checked here for NULL return value.  dev is
check instead.  It might lead to NULL dereference of ndev.

Signed-off-by: default avatarVasiliy Kulikov <segoon@openwall.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7d8e76bf

drivers/net/caif/caif_spi.c

+2 −2
Original line number Diff line number Diff line
@@ -635,8 +635,8 @@ int cfspi_spi_probe(struct platform_device *pdev) 


	ndev = alloc_netdev(sizeof(struct cfspi),

			"cfspi%d", cfspi_setup);

	if (!dev)

		return -ENODEV;

	if (!ndev)

		return -ENOMEM;



	cfspi = netdev_priv(ndev);

	netif_stop_queue(ndev);