diff options
| author | Rasmus Villemoes <linux@rasmusvillemoes.dk> | 2015-11-09 13:19:10 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-11-09 11:31:13 -0500 |
| commit | cfb76d77c009b38e607c8a2adc8bdd57b5081768 (patch) | |
| tree | fac0cdc7ed28a437668efb79caef5161ff5535d7 /drivers/net | |
| parent | 3870502a66fe26c80c034db1aa915d69850854aa (diff) | |
net: caif: check return value of alloc_netdev
I don't know if dev can actually be NULL here, but the test should be
above alloc_netdev(), to avoid leaking the struct net_device in case
dev is actually NULL. And of course the return value from alloc_netdev
should be tested.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/caif/caif_spi.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/caif/caif_spi.c b/drivers/net/caif/caif_spi.c index de3962014af7..4721948a92f6 100644 --- a/drivers/net/caif/caif_spi.c +++ b/drivers/net/caif/caif_spi.c @@ -730,11 +730,14 @@ int cfspi_spi_probe(struct platform_device *pdev) int res; dev = (struct cfspi_dev *)pdev->dev.platform_data; - ndev = alloc_netdev(sizeof(struct cfspi), "cfspi%d", - NET_NAME_UNKNOWN, cfspi_setup); if (!dev) return -ENODEV; + ndev = alloc_netdev(sizeof(struct cfspi), "cfspi%d", + NET_NAME_UNKNOWN, cfspi_setup); + if (!ndev) + return -ENOMEM; + cfspi = netdev_priv(ndev); netif_stop_queue(ndev); cfspi->ndev = ndev; |