[U-Boot] [PATCH 1/2] net/eth.c: make eth_get_dev_by_name(NULL) safe

From: Helmut Raiger helmut.raiger@hale.at

eth_get_dev_by_name() is not safe to use for devname being NULL as it uses strcmp. This patch makes it return NULL if devname NULL is passed.

Signed-off-by: Helmut Raiger helmut.raiger@hale.at --- net/eth.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/eth.c b/net/eth.c index 6523834..c75b7c9 100644 --- a/net/eth.c +++ b/net/eth.c @@ -107,7 +107,7 @@ struct eth_device *eth_get_dev_by_name(const char *devname) { struct eth_device *dev, *target_dev;

- if (!eth_devices) + if (!eth_devices || !devname) return NULL;

dev = eth_devices;