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authorIngo Molnar <mingo@kernel.org>2013-12-17 15:27:08 +0100
committerIngo Molnar <mingo@kernel.org>2013-12-17 15:27:08 +0100
commitbb799d3b980eb803ca2da4a4eefbd9308f8d988a (patch)
tree69fbe0cd6d47b23a50f5e1d87bf7489532fae149 /net/unix/af_unix.c
parent919fc6e34831d1c2b58bfb5ae261dc3facc9b269 (diff)
parent319e2e3f63c348a9b66db4667efa73178e18b17d (diff)
Merge tag 'v3.13-rc4' into core/locking
Merge Linux 3.13-rc4, to refresh this rather old tree with the latest fixes. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/unix/af_unix.c')
-rw-r--r--net/unix/af_unix.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index c1f403bed68..a0ca162e5bd 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -530,13 +530,17 @@ static int unix_seqpacket_sendmsg(struct kiocb *, struct socket *,
static int unix_seqpacket_recvmsg(struct kiocb *, struct socket *,
struct msghdr *, size_t, int);
-static void unix_set_peek_off(struct sock *sk, int val)
+static int unix_set_peek_off(struct sock *sk, int val)
{
struct unix_sock *u = unix_sk(sk);
- mutex_lock(&u->readlock);
+ if (mutex_lock_interruptible(&u->readlock))
+ return -EINTR;
+
sk->sk_peek_off = val;
mutex_unlock(&u->readlock);
+
+ return 0;
}
@@ -1754,7 +1758,6 @@ static void unix_copy_addr(struct msghdr *msg, struct sock *sk)
{
struct unix_sock *u = unix_sk(sk);
- msg->msg_namelen = 0;
if (u->addr) {
msg->msg_namelen = u->addr->len;
memcpy(msg->msg_name, u->addr->name, u->addr->len);
@@ -1778,8 +1781,6 @@ static int unix_dgram_recvmsg(struct kiocb *iocb, struct socket *sock,
if (flags&MSG_OOB)
goto out;
- msg->msg_namelen = 0;
-
err = mutex_lock_interruptible(&u->readlock);
if (err) {
err = sock_intr_errno(sock_rcvtimeo(sk, noblock));
@@ -1924,8 +1925,6 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
target = sock_rcvlowat(sk, flags&MSG_WAITALL, size);
timeo = sock_rcvtimeo(sk, flags&MSG_DONTWAIT);
- msg->msg_namelen = 0;
-
/* Lock the socket to prevent queue disordering
* while sleeps in memcpy_tomsg
*/