[ 37/62] drivers/tty/amiserial.c: add missing tty_unlock

From: Greg KH
Date: Tue Apr 24 2012 - 18:35:47 EST


3.3-stable review patch. If anyone has any objections, please let me know.

------------------

From: Julia Lawall <Julia.Lawall@xxxxxxx>

commit d3a7b83f865b46bb7b5e1ed18a129ce1af349db4 upstream.

tty_unlock is used on all other exits from the function.

Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>
Acked-by: Jiri Slaby <jslaby@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/tty/amiserial.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/tty/amiserial.c
+++ b/drivers/tty/amiserial.c
@@ -1113,8 +1113,10 @@ static int set_serial_info(struct async_
(new_serial.close_delay != state->close_delay) ||
(new_serial.xmit_fifo_size != state->xmit_fifo_size) ||
((new_serial.flags & ~ASYNC_USR_MASK) !=
- (state->flags & ~ASYNC_USR_MASK)))
+ (state->flags & ~ASYNC_USR_MASK))) {
+ tty_unlock();
return -EPERM;
+ }
state->flags = ((state->flags & ~ASYNC_USR_MASK) |
(new_serial.flags & ASYNC_USR_MASK));
info->flags = ((info->flags & ~ASYNC_USR_MASK) |


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