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authorOliver Neukum <oliver@neukum.org>2009-09-08 23:51:28 +0200
committerAlan Tull <r80115@freescale.com>2010-09-25 09:50:25 -0500
commit072ec1840763f9e4d7ea37a08531dc4c1faec85a (patch)
tree623dc6d9c8b7923f84950381a56de34614bdb8dc /drivers/usb
parenta2ebe76cc916bad2b1fae12985fbc3c544bb0dd9 (diff)
USB: fix cdc-acm regression in open
cdc-acm needs to set a flag during open to tell the tty layer that the device is initialized Signed-off-by: Oliver Neukum <oliver@neukum.org> Cc: Marcel Holtmann <marcel@holtmann.org> Cc: Paul Martin <pm@debian.org> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/class/cdc-acm.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 162c95a088ed..40f6d8575e0b 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -596,6 +596,7 @@ static int acm_tty_open(struct tty_struct *tty, struct file *filp)
acm->throttle = 0;
+ tasklet_schedule(&acm->urb_task);
set_bit(ASYNCB_INITIALIZED, &acm->port.flags);
rv = tty_port_block_til_ready(&acm->port, tty, filp);
tasklet_schedule(&acm->urb_task);