The patch titled
usb serial console setup: initialise tty kref
has been removed from the -mm tree. Its filename was
usb-serial-console-setup-initialise-tty-kref.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: usb serial console setup: initialise tty kref
From: Kevin Hao <kexin.hao@xxxxxxxxxxxxx>
We alloc a fake tty in usb serial console setup function. we should init
the tty's kref otherwise we will face WARN_ON after following invoke of
tty_port_tty_set --> tty_kref_get.
Signed-off-by: Kevin Hao <kexin.hao@xxxxxxxxxxxxx>
Cc: Greg KH <greg@xxxxxxxxx>
Cc: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/usb/serial/console.c | 1 +
1 file changed, 1 insertion(+)
diff -puN drivers/usb/serial/console.c~usb-serial-console-setup-initialise-tty-kref drivers/usb/serial/console.c
--- a/drivers/usb/serial/console.c~usb-serial-console-setup-initialise-tty-kref
+++ a/drivers/usb/serial/console.c
@@ -135,6 +135,7 @@ static int usb_console_setup(struct cons
err("no more memory");
goto reset_open_count;
}
+ kref_init(&tty->kref);
termios = kzalloc(sizeof(*termios), GFP_KERNEL);
if (!termios) {
retval = -ENOMEM;
_
Patches currently in -mm which might be from kexin.hao@xxxxxxxxxxxxx are
linux-next.patch
usb-serial-console-add-device-function-fix.patch
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