[PATCH 2/3] nl802154: fix Oops in ieee802154_nl_get_dev
From: Dmitry Eremin-Solenikov <hidden>
Date: 2009-06-29 15:03:38
Also in:
lkml
Subsystem:
ieee 802.15.4 subsystem, networking [general], the rest · Maintainers:
Alexander Aring, Stefan Schmidt, Miquel Raynal, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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 <redacted> --- 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;
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1.6.3.1