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USB-serial fixes for v3.18-rc5

Browse source 
Here are a few fixes for reported problems including a possible
 null-deref on probe with keyspan, a misbehaving modem, and a couple of
 issues with the USB console.
 
 Some new device IDs are also added.
 
 Signed-off-by: Johan Hovold <[email protected]>
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Merge tag 'usb-serial-3.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus

Johan writes:

USB-serial fixes for v3.18-rc5

Here are a few fixes for reported problems including a possible
null-deref on probe with keyspan, a misbehaving modem, and a couple of
issues with the USB console.

Some new device IDs are also added.

Signed-off-by: Johan Hovold <[email protected]>
This commit is contained in:
Greg Kroah-Hartman 2015-01-14 15:39:23 -08:00
commit 919ba4ee1b
72 changed files with 668 additions and 357 deletions
Download patch file Download diff file Expand all files Collapse all files

16
drivers/usb/serial/console.c
View file

@ -46,6 +46,8 @@ static struct console usbcons;
* ------------------------------------------------------------
*/
static const struct tty_operations usb_console_fake_tty_ops = {
};
/*
* The parsing of the command line works exactly like the
@ -137,13 +139,17 @@ static int usb_console_setup(struct console *co, char *options)
goto reset_open_count;
}
kref_init(&tty->kref);
tty_port_tty_set(&port->port, tty);
tty->driver = usb_serial_tty_driver;
tty->index = co->index;
init_ldsem(&tty->ldisc_sem);
INIT_LIST_HEAD(&tty->tty_files);
kref_get(&tty->driver->kref);
tty->ops = &usb_console_fake_tty_ops;
if (tty_init_termios(tty)) {
retval = -ENOMEM;
goto free_tty;
goto put_tty;
}
tty_port_tty_set(&port->port, tty);
}
/* only call the device specific open if this
@ -161,7 +167,7 @@ static int usb_console_setup(struct console *co, char *options)
serial->type->set_termios(tty, port, &dummy);
tty_port_tty_set(&port->port, NULL);
kfree(tty);
tty_kref_put(tty);
}
set_bit(ASYNCB_INITIALIZED, &port->port.flags);
}
@ -177,8 +183,8 @@ static int usb_console_setup(struct console *co, char *options)
fail:
tty_port_tty_set(&port->port, NULL);
free_tty:
kfree(tty);
put_tty:
tty_kref_put(tty);
reset_open_count:
port->port.count = 0;
usb_autopm_put_interface(serial->interface);

4
drivers/usb/serial/cp210x.c
View file

@ -120,10 +120,12 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */
{ USB_DEVICE(0x10C4, 0x8664) }, /* AC-Services CAN-IF */
{ USB_DEVICE(0x10C4, 0x8665) }, /* AC-Services OBD-IF */
{ USB_DEVICE(0x10C4, 0x8875) }, /* CEL MeshConnect USB Stick */
{ USB_DEVICE(0x10C4, 0x8856) }, /* CEL EM357 ZigBee USB Stick - LR */
{ USB_DEVICE(0x10C4, 0x8857) }, /* CEL EM357 ZigBee USB Stick */
{ USB_DEVICE(0x10C4, 0x88A4) }, /* MMB Networks ZigBee USB Device */
{ USB_DEVICE(0x10C4, 0x88A5) }, /* Planet Innovation Ingeni ZigBee USB Device */
{ USB_DEVICE(0x10C4, 0x8946) }, /* Ketra N1 Wireless Interface */
{ USB_DEVICE(0x10C4, 0x8977) }, /* CEL MeshWorks DevKit Device */
{ USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */

4
drivers/usb/serial/generic.c
View file

@ -286,7 +286,7 @@ static int usb_serial_generic_submit_read_urb(struct usb_serial_port *port,
res = usb_submit_urb(port->read_urbs[index], mem_flags);
if (res) {
if (res != -EPERM) {
if (res != -EPERM && res != -ENODEV) {
dev_err(&port->dev,
"%s - usb_submit_urb failed: %d\n",
__func__, res);
@ -373,7 +373,7 @@ void usb_serial_generic_read_bulk_callback(struct urb *urb)
__func__, urb->status);
return;
default:
dev_err(&port->dev, "%s - nonzero urb status: %d\n",
dev_dbg(&port->dev, "%s - nonzero urb status: %d\n",
__func__, urb->status);
goto resubmit;
}

20
drivers/usb/serial/keyspan.c
View file

@ -410,6 +410,8 @@ static void usa26_instat_callback(struct urb *urb)
}
port = serial->port[msg->port];
p_priv = usb_get_serial_port_data(port);
if (!p_priv)
goto resubmit;
/* Update handshaking pin state information */
old_dcd_state = p_priv->dcd_state;
@ -420,7 +422,7 @@ static void usa26_instat_callback(struct urb *urb)
if (old_dcd_state != p_priv->dcd_state)
tty_port_tty_hangup(&port->port, true);
resubmit:
/* Resubmit urb so we continue receiving */
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err != 0)
@ -527,6 +529,8 @@ static void usa28_instat_callback(struct urb *urb)
}
port = serial->port[msg->port];
p_priv = usb_get_serial_port_data(port);
if (!p_priv)
goto resubmit;
/* Update handshaking pin state information */
old_dcd_state = p_priv->dcd_state;
@ -537,7 +541,7 @@ static void usa28_instat_callback(struct urb *urb)
if (old_dcd_state != p_priv->dcd_state && old_dcd_state)
tty_port_tty_hangup(&port->port, true);
resubmit:
/* Resubmit urb so we continue receiving */
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err != 0)
@ -607,6 +611,8 @@ static void usa49_instat_callback(struct urb *urb)
}
port = serial->port[msg->portNumber];
p_priv = usb_get_serial_port_data(port);
if (!p_priv)
goto resubmit;
/* Update handshaking pin state information */
old_dcd_state = p_priv->dcd_state;
@ -617,7 +623,7 @@ static void usa49_instat_callback(struct urb *urb)
if (old_dcd_state != p_priv->dcd_state && old_dcd_state)
tty_port_tty_hangup(&port->port, true);
resubmit:
/* Resubmit urb so we continue receiving */
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err != 0)
@ -855,6 +861,8 @@ static void usa90_instat_callback(struct urb *urb)
port = serial->port[0];
p_priv = usb_get_serial_port_data(port);
if (!p_priv)
goto resubmit;
/* Update handshaking pin state information */
old_dcd_state = p_priv->dcd_state;
@ -865,7 +873,7 @@ static void usa90_instat_callback(struct urb *urb)
if (old_dcd_state != p_priv->dcd_state && old_dcd_state)
tty_port_tty_hangup(&port->port, true);
resubmit:
/* Resubmit urb so we continue receiving */
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err != 0)
@ -926,6 +934,8 @@ static void usa67_instat_callback(struct urb *urb)
port = serial->port[msg->port];
p_priv = usb_get_serial_port_data(port);
if (!p_priv)
goto resubmit;
/* Update handshaking pin state information */
old_dcd_state = p_priv->dcd_state;
@ -934,7 +944,7 @@ static void usa67_instat_callback(struct urb *urb)
if (old_dcd_state != p_priv->dcd_state && old_dcd_state)
tty_port_tty_hangup(&port->port, true);
resubmit:
/* Resubmit urb so we continue receiving */
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err != 0)

11
drivers/usb/serial/option.c
View file

@ -234,6 +234,8 @@ static void option_instat_callback(struct urb *urb);
#define QUALCOMM_VENDOR_ID 0x05C6
#define SIERRA_VENDOR_ID 0x1199
#define CMOTECH_VENDOR_ID 0x16d8
#define CMOTECH_PRODUCT_6001 0x6001
#define CMOTECH_PRODUCT_CMU_300 0x6002
@ -512,7 +514,7 @@ enum option_blacklist_reason {
OPTION_BLACKLIST_RESERVED_IF = 2
};
#define MAX_BL_NUM 8
#define MAX_BL_NUM 11
struct option_blacklist_info {
/* bitfield of interface numbers for OPTION_BLACKLIST_SENDSETUP */
const unsigned long sendsetup;
@ -601,6 +603,11 @@ static const struct option_blacklist_info telit_le920_blacklist = {
.reserved = BIT(1) | BIT(5),
};
static const struct option_blacklist_info sierra_mc73xx_blacklist = {
.sendsetup = BIT(0) | BIT(2),
.reserved = BIT(8) | BIT(10) | BIT(11),
};
static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
@ -1098,6 +1105,8 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x0023)}, /* ONYX 3G device */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */
{ USB_DEVICE_INTERFACE_CLASS(SIERRA_VENDOR_ID, 0x68c0, 0xff),
.driver_info = (kernel_ulong_t)&sierra_mc73xx_blacklist }, /* MC73xx */
{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) },
{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) },
{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6003),

1
drivers/usb/serial/qcserial.c
View file

@ -142,7 +142,6 @@ static const struct usb_device_id id_table[] = {
{DEVICE_SWI(0x0f3d, 0x68a2)}, /* Sierra Wireless MC7700 */
{DEVICE_SWI(0x114f, 0x68a2)}, /* Sierra Wireless MC7750 */
{DEVICE_SWI(0x1199, 0x68a2)}, /* Sierra Wireless MC7710 */
{DEVICE_SWI(0x1199, 0x68c0)}, /* Sierra Wireless MC73xx */
{DEVICE_SWI(0x1199, 0x901c)}, /* Sierra Wireless EM7700 */
{DEVICE_SWI(0x1199, 0x901f)}, /* Sierra Wireless EM7355 */
{DEVICE_SWI(0x1199, 0x9040)}, /* Sierra Wireless Modem */