diff options
| author | Oliver Neukum <[email protected]> | 2009-09-08 21:51:28 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2009-09-23 13:46:16 +0000 |
| commit | 7af25b4b34a2439020d78da765a3bed0ff73f25c (patch) | |
| tree | 2a4a62760bf8e233f421e0b724a277e6391c5038 /drivers/usb/class/cdc-acm.c | |
| parent | USB: CDC WDM driver doesn't support non-blocking reads (diff) | |
| download | kernel-7af25b4b34a2439020d78da765a3bed0ff73f25c.tar.gz kernel-7af25b4b34a2439020d78da765a3bed0ff73f25c.zip | |
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 <[email protected]>
Cc: Marcel Holtmann <[email protected]>
Cc: Paul Martin <[email protected]>
Cc: stable <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'drivers/usb/class/cdc-acm.c')
| -rw-r--r-- | drivers/usb/class/cdc-acm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 85a1a55815cf..e3861b21e776 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -59,6 +59,7 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/tty.h> +#include <linux/serial.h> #include <linux/tty_driver.h> #include <linux/tty_flip.h> #include <linux/module.h> @@ -609,6 +610,7 @@ 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); done: mutex_unlock(&acm->mutex); |