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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2009-12-02 23:38:13 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2009-12-02 23:38:13 -0800
commit467832032cc07626880363efa8625719c16c04eb (patch)
treeee9a62c04f0b3106e412bc1b2dd1cea5566d5ca7 /drivers/char/tty_port.c
parent66d2a5952eab875f1286e04f738ef029afdaf013 (diff)
parent22763c5cf3690a681551162c15d34d935308c8d7 (diff)
Merge commit 'v2.6.32' into next
Diffstat (limited to 'drivers/char/tty_port.c')
-rw-r--r--drivers/char/tty_port.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/char/tty_port.c b/drivers/char/tty_port.c
index a4bbb28f10b..c63f3d33914 100644
--- a/drivers/char/tty_port.c
+++ b/drivers/char/tty_port.c
@@ -219,8 +219,14 @@ int tty_port_block_til_ready(struct tty_port *port,
/* if non-blocking mode is set we can pass directly to open unless
the port has just hung up or is in another error state */
- if ((filp->f_flags & O_NONBLOCK) ||
- (tty->flags & (1 << TTY_IO_ERROR))) {
+ if (tty->flags & (1 << TTY_IO_ERROR)) {
+ port->flags |= ASYNC_NORMAL_ACTIVE;
+ return 0;
+ }
+ if (filp->f_flags & O_NONBLOCK) {
+ /* Indicate we are open */
+ if (tty->termios->c_cflag & CBAUD)
+ tty_port_raise_dtr_rts(port);
port->flags |= ASYNC_NORMAL_ACTIVE;
return 0;
}