Messages in this thread Patch in this message |  | | | From | Dmitry Eremin-Solenikov <> | | Subject | [PATCH 2/3] nl802154: fix Oops in ieee802154_nl_get_dev | | Date | Mon, 29 Jun 2009 19:02:14 +0400 |
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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(-) 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; -- 1.6.3.1
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