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| author | Ursula Braun <ursula.braun@de.ibm.com> | 2012-02-08 00:19:46 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-02-08 18:50:19 -0500 |
| commit | 7f1b0ea42a800713a3d56e1e8ca1a845e0461ca2 (patch) | |
| tree | 2649a3dba13c62fbd8d48836e501743ac03a56c9 | |
| parent | 7d316b9453523498246e9e19a659c423d4c5081e (diff) | |
| download | linux-7f1b0ea42a800713a3d56e1e8ca1a845e0461ca2.tar.gz linux-7f1b0ea42a800713a3d56e1e8ca1a845e0461ca2.tar.bz2 linux-7f1b0ea42a800713a3d56e1e8ca1a845e0461ca2.zip | |
af_iucv: block writing if msg limit is exceeded
When polling on an AF_IUCV socket, writing should be blocked if the
number of pending messages exceeds a defined limit.
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/iucv/af_iucv.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index 3ce0259499ed..ef6ab71921fc 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -1490,7 +1490,7 @@ unsigned int iucv_sock_poll(struct file *file, struct socket *sock, if (sk->sk_state == IUCV_DISCONN) mask |= POLLIN; - if (sock_writeable(sk)) + if (sock_writeable(sk) && iucv_below_msglim(sk)) mask |= POLLOUT | POLLWRNORM | POLLWRBAND; else set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags); |