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| author | Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> | 2009-06-19 17:00:08 +0400 |
|---|---|---|
| committer | Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> | 2009-06-29 18:20:27 +0400 |
| commit | 932c1329acebc03ef5efa3647c9c3a967b59d0c4 (patch) | |
| tree | c0e281f5074ea0e655543eba8a766d0fe500c8bd /net/ieee802154/netlink.c | |
| parent | e0af6062aa4f89081afb8a1a4269605775d354de (diff) | |
| download | lwn-932c1329acebc03ef5efa3647c9c3a967b59d0c4.tar.gz lwn-932c1329acebc03ef5efa3647c9c3a967b59d0c4.zip | |
nl802154: fix Oops in ieee802154_nl_get_dev
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>
Diffstat (limited to 'net/ieee802154/netlink.c')
| -rw-r--r-- | 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 105ad10876af..332b947ae812 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; |