diff options
-rw-r--r-- | drivers/net/ethernet/wiznet/w5100.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/wiznet/w5100.c b/drivers/net/ethernet/wiznet/w5100.c index 811815f8cd3b..f974e70a82e8 100644 --- a/drivers/net/ethernet/wiznet/w5100.c +++ b/drivers/net/ethernet/wiznet/w5100.c @@ -1047,6 +1047,8 @@ static int w5100_mmio_probe(struct platform_device *pdev) mac_addr = data->mac_addr; mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!mem) + return -EINVAL; if (resource_size(mem) < W5100_BUS_DIRECT_SIZE) ops = &w5100_mmio_indirect_ops; else |