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| author | Weston Andros Adamson <dros@netapp.com> | 2012-10-23 10:43:39 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-11-04 14:43:41 -0500 |
| commit | 1b7a1819078c68c4df4bba90f76b8113a08460de (patch) | |
| tree | 28e13809dd756d0be47526787c462aad4f3462e6 /net/sunrpc | |
| parent | 1bd58aaff44485ec9e3640af350f6ba1b33e2bec (diff) | |
| download | linux-3.10-1b7a1819078c68c4df4bba90f76b8113a08460de.tar.gz linux-3.10-1b7a1819078c68c4df4bba90f76b8113a08460de.tar.bz2 linux-3.10-1b7a1819078c68c4df4bba90f76b8113a08460de.zip | |
SUNRPC: remove BUG_ONs from *_reclassify_socket*
Replace multiple BUG_ON() calls with WARN_ON_ONCE() and early return when
sanity checking socket ownership (lock). The bind call will fail if the
socket was unsuccessfully reclassified.
Signed-off-by: Weston Andros Adamson <dros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/svcsock.c | 6 | ||||
| -rw-r--r-- | net/sunrpc/xprtsock.c | 7 |
2 files changed, 9 insertions, 4 deletions
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index 03827cef1fa..cc3020d1678 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -84,7 +84,11 @@ static struct lock_class_key svc_slock_key[2]; static void svc_reclassify_socket(struct socket *sock) { struct sock *sk = sock->sk; - BUG_ON(sock_owned_by_user(sk)); + + WARN_ON_ONCE(sock_owned_by_user(sk)); + if (sock_owned_by_user(sk)) + return; + switch (sk->sk_family) { case AF_INET: sock_lock_init_class_and_name(sk, "slock-AF_INET-NFSD", diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 75853cabf4c..46c1a8798ed 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -1746,7 +1746,6 @@ static inline void xs_reclassify_socketu(struct socket *sock) { struct sock *sk = sock->sk; - BUG_ON(sock_owned_by_user(sk)); sock_lock_init_class_and_name(sk, "slock-AF_LOCAL-RPC", &xs_slock_key[1], "sk_lock-AF_LOCAL-RPC", &xs_key[1]); } @@ -1755,7 +1754,6 @@ static inline void xs_reclassify_socket4(struct socket *sock) { struct sock *sk = sock->sk; - BUG_ON(sock_owned_by_user(sk)); sock_lock_init_class_and_name(sk, "slock-AF_INET-RPC", &xs_slock_key[0], "sk_lock-AF_INET-RPC", &xs_key[0]); } @@ -1764,13 +1762,16 @@ static inline void xs_reclassify_socket6(struct socket *sock) { struct sock *sk = sock->sk; - BUG_ON(sock_owned_by_user(sk)); sock_lock_init_class_and_name(sk, "slock-AF_INET6-RPC", &xs_slock_key[1], "sk_lock-AF_INET6-RPC", &xs_key[1]); } static inline void xs_reclassify_socket(int family, struct socket *sock) { + WARN_ON_ONCE(sock_owned_by_user(sock->sk)); + if (sock_owned_by_user(sock->sk)) + return; + switch (family) { case AF_LOCAL: xs_reclassify_socketu(sock); |