diff options
| author | Michal Simek <monstr@monstr.eu> | 2011-08-29 23:30:13 +0000 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2011-09-04 23:29:39 +0200 |
| commit | 58c583b6c2ebc459de018c772fea5437de430063 (patch) | |
| tree | 04b450fcb1f6bc4d817bce1f685b5ae1cdfe2e48 /net | |
| parent | 03bf22f55990d27a1d3a5f8c6f8c94fb400f77d4 (diff) | |
net: Check network device driver name
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
NAMESIZE contains Driver name + zero terminated character.
Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'net')
| -rw-r--r-- | net/eth.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/eth.c b/net/eth.c index a34fe59383f..c9b7e85e392 100644 --- a/net/eth.c +++ b/net/eth.c @@ -224,6 +224,14 @@ int eth_write_hwaddr(struct eth_device *dev, const char *base_name, int eth_register(struct eth_device *dev) { struct eth_device *d; + + size_t len = strlen(dev->name); + if (len >= NAMESIZE) { + printf("Network driver name is too long (%zu >= %zu): %s\n", + len, NAMESIZE, dev->name); + return -1; + } + if (!eth_devices) { eth_current = eth_devices = dev; eth_current_changed(); |