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authorAlan Cox <alan@linux.intel.com>2012-07-14 15:31:27 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-07-16 12:58:12 -0700
commit6d31a88cb2e01d46c0cb74aa5da529e1f92ae3db (patch)
tree09ce3b070a845395f942b0ddeb8149514c0a7446 /drivers/tty/amiserial.c
parent467a3ca5cab64a16b5ec46ebb1895c84c280dcfe (diff)
downloadlinux-6d31a88cb2e01d46c0cb74aa5da529e1f92ae3db.tar.bz2
tty: revert incorrectly applied lock patch
I sent GregKH this after the pre-requisites. He dropped the pre-requesites for good reason and unfortunately then applied this patch. Without this reverted you get random kernel memory corruption which will make bisecting anything between it and the properly applied patches a complete sod. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/amiserial.c')
-rw-r--r--drivers/tty/amiserial.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/tty/amiserial.c b/drivers/tty/amiserial.c
index 35819e312624..6cc4358f68c1 100644
--- a/drivers/tty/amiserial.c
+++ b/drivers/tty/amiserial.c
@@ -1033,7 +1033,7 @@ static int get_serial_info(struct tty_struct *tty, struct serial_state *state,
if (!retinfo)
return -EFAULT;
memset(&tmp, 0, sizeof(tmp));
- tty_lock(tty);
+ tty_lock();
tmp.line = tty->index;
tmp.port = state->port;
tmp.flags = state->tport.flags;
@@ -1042,7 +1042,7 @@ static int get_serial_info(struct tty_struct *tty, struct serial_state *state,
tmp.close_delay = state->tport.close_delay;
tmp.closing_wait = state->tport.closing_wait;
tmp.custom_divisor = state->custom_divisor;
- tty_unlock(tty);
+ tty_unlock();
if (copy_to_user(retinfo,&tmp,sizeof(*retinfo)))
return -EFAULT;
return 0;
@@ -1059,12 +1059,12 @@ static int set_serial_info(struct tty_struct *tty, struct serial_state *state,
if (copy_from_user(&new_serial,new_info,sizeof(new_serial)))
return -EFAULT;
- tty_lock(tty);
+ tty_lock();
change_spd = ((new_serial.flags ^ port->flags) & ASYNC_SPD_MASK) ||
new_serial.custom_divisor != state->custom_divisor;
if (new_serial.irq || new_serial.port != state->port ||
new_serial.xmit_fifo_size != state->xmit_fifo_size) {
- tty_unlock(tty);
+ tty_unlock();
return -EINVAL;
}
@@ -1074,7 +1074,7 @@ static int set_serial_info(struct tty_struct *tty, struct serial_state *state,
(new_serial.xmit_fifo_size != state->xmit_fifo_size) ||
((new_serial.flags & ~ASYNC_USR_MASK) !=
(port->flags & ~ASYNC_USR_MASK))) {
- tty_unlock(tty);
+ tty_unlock();
return -EPERM;
}
port->flags = ((port->flags & ~ASYNC_USR_MASK) |
@@ -1084,7 +1084,7 @@ static int set_serial_info(struct tty_struct *tty, struct serial_state *state,
}
if (new_serial.baud_base < 9600) {
- tty_unlock(tty);
+ tty_unlock();
return -EINVAL;
}
@@ -1116,7 +1116,7 @@ check_and_exit:
}
} else
retval = startup(tty, state);
- tty_unlock(tty);
+ tty_unlock();
return retval;
}