Message ID | 1246287735-2692-3-git-send-email-dbaryshkov@gmail.com |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c index 105ad10..332b947 100644 --- a/net/ieee802154/netlink.c +++ b/net/ieee802154/netlink.c @@ -276,6 +276,9 @@ static struct net_device *ieee802154_nl_get_dev(struct genl_info *info) else return NULL; + if (!dev) + return NULL; + if (dev->type != ARPHRD_IEEE802154) { dev_put(dev); return NULL;
ieee802154_nl_get_dev() lacks check for the existance of the device that was returned by dev_get_XXX, thus resulting in Oops for non-existing devices. Fix it. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> --- net/ieee802154/netlink.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)