dev_write_net() and dev_read_net() should validate the provided cookie.
Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com --- api/api_net.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/api/api_net.c b/api/api_net.c index 7515c26e8b4..0b931a80787 100644 --- a/api/api_net.c +++ b/api/api_net.c @@ -72,14 +72,16 @@ int dev_enum_net(struct device_info *di)
int dev_write_net(void *cookie, void *buf, int len) { - /* XXX verify that cookie points to a valid net device??? */ + if (!dev_valid_net(cookie)) + return API_ENODEV;
return eth_send(buf, len); }
int dev_read_net(void *cookie, void *buf, int len) { - /* XXX verify that cookie points to a valid net device??? */ + if (!dev_valid_net(cookie)) + return API_ENODEV;
return eth_receive(buf, len); }