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| author | Baozeng Ding <sploving1@gmail.com> | 2016-05-26 21:07:42 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-05-29 22:36:25 -0700 |
| commit | 421eeea10d0a5e52256bce9544de477938104fdb (patch) | |
| tree | ca3ff196e261ca492247d2490cc951948a23c218 | |
| parent | 86651650d16a359e4142c6a8b0467c87e48c4c94 (diff) | |
| download | linux-421eeea10d0a5e52256bce9544de477938104fdb.tar.gz linux-421eeea10d0a5e52256bce9544de477938104fdb.tar.bz2 linux-421eeea10d0a5e52256bce9544de477938104fdb.zip | |
ieee802154: fix logic error in ieee802154_llsec_parse_dev_addr
Fix a logic error to avoid potential null pointer dereference.
Signed-off-by: Baozeng Ding <sploving1@gmail.com>
Reviewed-by: Stefan Schmidt<stefan@osg.samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/ieee802154/nl802154.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index ca207dbf673b..116187b5c267 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -1289,8 +1289,8 @@ ieee802154_llsec_parse_dev_addr(struct nlattr *nla, nl802154_dev_addr_policy)) return -EINVAL; - if (!attrs[NL802154_DEV_ADDR_ATTR_PAN_ID] && - !attrs[NL802154_DEV_ADDR_ATTR_MODE] && + if (!attrs[NL802154_DEV_ADDR_ATTR_PAN_ID] || + !attrs[NL802154_DEV_ADDR_ATTR_MODE] || !(attrs[NL802154_DEV_ADDR_ATTR_SHORT] || attrs[NL802154_DEV_ADDR_ATTR_EXTENDED])) return -EINVAL; |