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Diffstat (limited to 'drivers/char/tty_port.c')
-rw-r--r--drivers/char/tty_port.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/char/tty_port.c b/drivers/char/tty_port.c
index 2e8552dc5eda..c63f3d33914a 100644
--- a/drivers/char/tty_port.c
+++ b/drivers/char/tty_port.c
@@ -219,8 +219,11 @@ int tty_port_block_til_ready(struct tty_port *port,
219 219
220 /* if non-blocking mode is set we can pass directly to open unless 220 /* if non-blocking mode is set we can pass directly to open unless
221 the port has just hung up or is in another error state */ 221 the port has just hung up or is in another error state */
222 if ((filp->f_flags & O_NONBLOCK) || 222 if (tty->flags & (1 << TTY_IO_ERROR)) {
223 (tty->flags & (1 << TTY_IO_ERROR))) { 223 port->flags |= ASYNC_NORMAL_ACTIVE;
224 return 0;
225 }
226 if (filp->f_flags & O_NONBLOCK) {
224 /* Indicate we are open */ 227 /* Indicate we are open */
225 if (tty->termios->c_cflag & CBAUD) 228 if (tty->termios->c_cflag & CBAUD)
226 tty_port_raise_dtr_rts(port); 229 tty_port_raise_dtr_rts(port);