diff options
| author | Dan Carpenter <error27@gmail.com> | 2010-07-22 01:16:48 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-07-22 14:14:48 -0700 |
| commit | 1ff219068c0e032a6fd64c45bd69f3bc7374feb6 (patch) | |
| tree | 9978774f6e4f5b1fbcc2e6dd9e178e31f4c1a9e4 /drivers/net/stmmac/dwmac1000_core.c | |
| parent | b77026b391f4f43ca148cf6c55a93f7487ff6ed8 (diff) | |
stmmac: handle allocation errors in setup functions
If the allocations fail in either dwmac1000_setup() or dwmac100_setup()
then return NULL. These are called from stmmac_mac_device_setup(). The
check for NULL returns in stmmac_mac_device_setup() needed to be moved
forward a couple lines.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/stmmac/dwmac1000_core.c')
| -rw-r--r-- | drivers/net/stmmac/dwmac1000_core.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/stmmac/dwmac1000_core.c b/drivers/net/stmmac/dwmac1000_core.c index 917b4e16923b..2b2f5c8caf1c 100644 --- a/drivers/net/stmmac/dwmac1000_core.c +++ b/drivers/net/stmmac/dwmac1000_core.c @@ -220,6 +220,8 @@ struct mac_device_info *dwmac1000_setup(unsigned long ioaddr) ((uid & 0x0000ff00) >> 8), (uid & 0x000000ff)); mac = kzalloc(sizeof(const struct mac_device_info), GFP_KERNEL); + if (!mac) + return NULL; mac->mac = &dwmac1000_ops; mac->dma = &dwmac1000_dma_ops; |