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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-03-19 13:41:24 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-03-19 13:41:24 -0300 |
| commit | 9ce28d827f74d0acdd058bded8bab5309b0f5c8f (patch) | |
| tree | 634f22e8df9c7fd3966b3639e3e997436751ca50 /drivers/tty/tty_port.c | |
| parent | f074ff92b5b26f3a559fab1203c36e140ea8d067 (diff) | |
| parent | c16fa4f2ad19908a47c63d8fa436a1178438c7e7 (diff) | |
| download | op-kernel-dev-9ce28d827f74d0acdd058bded8bab5309b0f5c8f.zip op-kernel-dev-9ce28d827f74d0acdd058bded8bab5309b0f5c8f.tar.gz | |
Merge tag 'v3.3' into staging/for_v3.4
* tag 'v3.3': (1646 commits)
Linux 3.3
Don't limit non-nested epoll paths
netfilter: ctnetlink: fix race between delete and timeout expiration
ipv6: Don't dev_hold(dev) in ip6_mc_find_dev_rcu.
nilfs2: fix NULL pointer dereference in nilfs_load_super_block()
nilfs2: clamp ns_r_segments_percentage to [1, 99]
afs: Remote abort can cause BUG in rxrpc code
afs: Read of file returns EBADMSG
C6X: remove dead code from entry.S
wimax/i2400m: fix erroneous NETDEV_TX_BUSY use
net/hyperv: fix erroneous NETDEV_TX_BUSY use
net/usbnet: reserve headroom on rx skbs
bnx2x: fix memory leak in bnx2x_init_firmware()
bnx2x: fix a crash on corrupt firmware file
sch_sfq: revert dont put new flow at the end of flows
ipv6: fix icmp6_dst_alloc()
MAINTAINERS: Add Serge as maintainer of capabilities
drivers/video/backlight/s6e63m0.c: fix corruption storing gamma mode
MAINTAINERS: add entry for exynos mipi display drivers
MAINTAINERS: fix link to Gustavo Padovans tree
...
Diffstat (limited to 'drivers/tty/tty_port.c')
| -rw-r--r-- | drivers/tty/tty_port.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c index ef9dd62..bf6e238 100644 --- a/drivers/tty/tty_port.c +++ b/drivers/tty/tty_port.c @@ -227,7 +227,6 @@ int tty_port_block_til_ready(struct tty_port *port, int do_clocal = 0, retval; unsigned long flags; DEFINE_WAIT(wait); - int cd; /* block if port is in the process of being closed */ if (tty_hung_up_p(filp) || port->flags & ASYNC_CLOSING) { @@ -284,11 +283,14 @@ int tty_port_block_til_ready(struct tty_port *port, retval = -ERESTARTSYS; break; } - /* Probe the carrier. For devices with no carrier detect this - will always return true */ - cd = tty_port_carrier_raised(port); + /* + * Probe the carrier. For devices with no carrier detect + * tty_port_carrier_raised will always return true. + * Never ask drivers if CLOCAL is set, this causes troubles + * on some hardware. + */ if (!(port->flags & ASYNC_CLOSING) && - (do_clocal || cd)) + (do_clocal || tty_port_carrier_raised(port))) break; if (signal_pending(current)) { retval = -ERESTARTSYS; |
