diff options
| author | Dmitry Baryshkov <dbaryshkov@gmail.com> | 2009-08-07 06:58:42 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-08-13 08:54:50 +0400 |
| commit | 74eda55db4335383ccdd1fb51a7b014202f89366 (patch) | |
| tree | 4671a186d38196577afd5fd8d7192b40ac3e9723 | |
| parent | 8e753dd0a82bd266256c20a20b98dfa48f98d21e (diff) | |
| download | linux-74eda55db4335383ccdd1fb51a7b014202f89366.tar.xz | |
af_ieee802154: minor cleanup in dgram_bind
1) fix ro->bound protection by socket lock
2) make ro->bound bit instead of int
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/ieee802154/dgram.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/net/ieee802154/dgram.c b/net/ieee802154/dgram.c index d1da6c619c7d..25018a9a53aa 100644 --- a/net/ieee802154/dgram.c +++ b/net/ieee802154/dgram.c @@ -40,9 +40,10 @@ static DEFINE_RWLOCK(dgram_lock); struct dgram_sock { struct sock sk; - int bound; struct ieee802154_addr src_addr; struct ieee802154_addr dst_addr; + + unsigned bound:1; }; static inline struct dgram_sock *dgram_sk(const struct sock *sk) @@ -86,18 +87,18 @@ static int dgram_bind(struct sock *sk, struct sockaddr *uaddr, int len) { struct sockaddr_ieee802154 *addr = (struct sockaddr_ieee802154 *)uaddr; struct dgram_sock *ro = dgram_sk(sk); - int err = 0; + int err = -EINVAL; struct net_device *dev; + lock_sock(sk); + ro->bound = 0; if (len < sizeof(*addr)) - return -EINVAL; + goto out; if (addr->family != AF_IEEE802154) - return -EINVAL; - - lock_sock(sk); + goto out; dev = ieee802154_get_dev(sock_net(sk), &addr->addr); if (!dev) { @@ -113,6 +114,7 @@ static int dgram_bind(struct sock *sk, struct sockaddr *uaddr, int len) memcpy(&ro->src_addr, &addr->addr, sizeof(struct ieee802154_addr)); ro->bound = 1; + err = 0; out_put: dev_put(dev); out: |