[U-Boot] [PATCH V2 1/2] net/eth.c: throw BUG for eth_get_dev_by_name(NULL)

Sergei Shtylyov
2011-08-22T10:05:23Z

Hello.

On 22-08-2011 12:45, Helmut Raiger wrote:

> eth_get_dev_by_name() is not safe to use for devname being NULL
> as it uses strcmp. This patch makes it fail with a BUG().

> Signed-off-by: Helmut Raiger<helmut.raiger@hale.at>
> ---
> V2: use BUG_ON() instead of gracefully returning 0

> net/eth.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)

> diff --git a/net/eth.c b/net/eth.c
> index 6523834..25c147c 100644
> --- a/net/eth.c
> +++ b/net/eth.c
> @@ -107,6 +107,8 @@ struct eth_device *eth_get_dev_by_name(const char *devname)
> {
> struct eth_device *dev, *target_dev;
>
> + BUG_ON(devname == 0);

Do not use 0 instead of NULL.

WBR, Sergei