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hso: fix refcounting on the ttyHSx devices

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The references on ttyHSx devices were not decremented correctly when
the tty was closed. The helper freeing the serial devices was never
called because of that, and the module left some dangling sysfs
devices after being unloaded.

Signed-off-by: Olivier Blin <blino@mandriva.com>
Cc: Jari Tenhunen <jari.tenhunen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Olivier Blin 2008-08-08 12:01:41 -07:00 committed by Jeff Garzik
parent add477df67
commit 6d558a52ba
1 changed files with 1 additions and 1 deletions
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2
drivers/net/usb/hso.c
View file

@ -1103,8 +1103,8 @@ static void hso_serial_close(struct tty_struct *tty, struct file *filp)
/* reset the rts and dtr */
/* do the actual close */
serial->open_count--;
kref_put(&serial->parent->ref, hso_serial_ref_free);
if (serial->open_count <= 0) {
kref_put(&serial->parent->ref, hso_serial_ref_free);
serial->open_count = 0;
if (serial->tty) {
serial->tty->driver_data = NULL;