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nl802154: fix Oops in ieee802154_nl_get_dev

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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>
This commit is contained in:
Dmitry Eremin-Solenikov 2009-06-19 17:00:08 +04:00
parent e0af6062aa
commit 932c1329ac
1 changed files with 3 additions and 0 deletions
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3
net/ieee802154/netlink.c
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@ -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;