From c8fd2c37b99c55c8d24888e0ed9d5f4f73458c9c Mon Sep 17 00:00:00 2001 From: Eric Sandeen Date: Thu, 14 Aug 2008 08:25:40 -0500 Subject: USB: cdc-acm: quirk for Conexant CX93010 USB modem This patch gets my Rosewill RNX-56USB USB modem (with Conexant CX93010 chipset) up and running to the point where I can send AT commands and retrieve caller ID data, which is all I want to do with it. Signed-off-by: Eric Sandeen Acked-by: Oliver Neukum Signed-off-by: Greg Kroah-Hartman --- drivers/usb/class/cdc-acm.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/usb/class/cdc-acm.c') diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index efc4373eded..382522eb1f7 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1362,6 +1362,9 @@ static struct usb_device_id acm_ids[] = { { USB_DEVICE(0x0803, 0x3095), /* Zoom Telephonics Model 3095F USB MODEM */ .driver_info = NO_UNION_NORMAL, /* has no union descriptor */ }, + { USB_DEVICE(0x0572, 0x1321), /* Conexant USB MODEM CX93010 */ + .driver_info = NO_UNION_NORMAL, /* has no union descriptor */ + }, /* control interfaces with various AT-command sets */ { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM, -- cgit v1.2.3-70-g09d2 From 74573ee7096a4ffc2f098108d21c85801b9c7434 Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Wed, 20 Aug 2008 16:56:04 -0700 Subject: USB: cdc-acm: don't unlock acm->mutex on error path On Wed, Jul 23, 2008 at 03:52:36PM +0300, Andrei Popa wrote: > I installed gnokii-0.6.22-r2 and gave the command "gnokii --identify" > and the kernel oopsed: > > BUG: unable to handle kernel NULL pointer dereference at 00000458 > IP: [] mutex_unlock+0x0/0xb > [] acm_tty_open+0x4c/0x214 Signed-off-by: Alexey Dobriyan Tested-by: Andrei Popa Cc: stable [2.6.25.x, 2.6.26.x] Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- drivers/usb/class/cdc-acm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/usb/class/cdc-acm.c') diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 382522eb1f7..c257453fa9d 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -589,8 +589,8 @@ static int acm_tty_open(struct tty_struct *tty, struct file *filp) tasklet_schedule(&acm->urb_task); done: -err_out: mutex_unlock(&acm->mutex); +err_out: mutex_unlock(&open_mutex); return rv; -- cgit v1.2.3-70-g09d2