If name is longer than allocated space NAMESIZE mac address is rewritten which show error message like:
Error message: Warning: Xlltemac.87000000 MAC addresses don't match: Address in SROM is 30:00:00:00:00:00 Address in environment is 00:0a:35:00:6a:04
Signed-off-by: Michal Simek monstr@monstr.eu --- net/eth.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/net/eth.c b/net/eth.c index 3aad71f..54231b1 100644 --- a/net/eth.c +++ b/net/eth.c @@ -191,6 +191,13 @@ static void eth_current_changed(void) int eth_register(struct eth_device *dev) { struct eth_device *d; + + if (strlen(dev->name) > NAMESIZE) { + printf("Long(%d>%d) network driver name for %s\n", + strlen(dev->name), NAMESIZE, dev->name); + return 0; + } + if (!eth_devices) { eth_current = eth_devices = dev; eth_current_changed();