The patch titled
tty_io.c balance tty_ldisc_ref()
has been added to the -mm tree. Its filename is
tty_ioc-balance-tty_ldisc_ref.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: tty_io.c balance tty_ldisc_ref()
From: dcarpenter <error27@xxxxxxxxx>
tty_ldisc_deref() should only be called when tty_ldisc_ref() succeeds
otherwise it triggers a BUG(). There's already a function
tty_ldisc_flush() that flushes properly.
Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
Acked-by: Alan Cox <alan@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/char/tty_io.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff -puN drivers/char/tty_io.c~tty_ioc-balance-tty_ldisc_ref drivers/char/tty_io.c
--- a/drivers/char/tty_io.c~tty_ioc-balance-tty_ldisc_ref
+++ a/drivers/char/tty_io.c
@@ -3335,18 +3335,13 @@ static void __do_SAK(struct work_struct
int session;
int i;
struct file *filp;
- struct tty_ldisc *disc;
struct fdtable *fdt;
if (!tty)
return;
session = tty->session;
- /* We don't want an ldisc switch during this */
- disc = tty_ldisc_ref(tty);
- if (disc && disc->flush_buffer)
- disc->flush_buffer(tty);
- tty_ldisc_deref(disc);
+ tty_ldisc_flush(tty);
if (tty->driver->flush_buffer)
tty->driver->flush_buffer(tty);
_
Patches currently in -mm which might be from error27@xxxxxxxxx are
git-alsa.patch
tty_ioc-balance-tty_ldisc_ref.patch
-
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