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USB-serial fixes for v4.17-rc4 

Here's a fix for a long-standing issue in the visor driver, which could
 have security implications. Included is also a new modem device id.
 
 Both commits have been in linux-next for a couple of days with no
 reported issues.
 
 Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'usb-serial-4.17-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus

Johan writes:

USB-serial fixes for v4.17-rc4

Here's a fix for a long-standing issue in the visor driver, which could
have security implications. Included is also a new modem device id.

Both commits have been in linux-next for a couple of days with no
reported issues.

Signed-off-by: Johan Hovold <johan@kernel.org>
hifive-unleashed-5.1
Greg Kroah-Hartman 2018-05-04 14:38:32 -07:00
parent 43b78f1155 4842ed5bfc
commit 6844dc4272
2 changed files with 40 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/usb/serial/option.c
View File

@ -233,6 +233,8 @@ static void option_instat_callback(struct urb *urb);
/* These Quectel products use Qualcomm's vendor ID */
#define QUECTEL_PRODUCT_UC20 0x9003
#define QUECTEL_PRODUCT_UC15 0x9090
/* These u-blox products use Qualcomm's vendor ID */
#define UBLOX_PRODUCT_R410M 0x90b2
/* These Yuga products use Qualcomm's vendor ID */
#define YUGA_PRODUCT_CLM920_NC5 0x9625
@ -1065,6 +1067,9 @@ static const struct usb_device_id option_ids[] = {
/* Yuga products use Qualcomm vendor ID */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, YUGA_PRODUCT_CLM920_NC5),
.driver_info = RSVD(1) | RSVD(4) },
/* u-blox products using Qualcomm vendor ID */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, UBLOX_PRODUCT_R410M),
.driver_info = RSVD(1) | RSVD(3) },
/* Quectel products using Quectel vendor ID */
{ USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC21),
.driver_info = RSVD(4) },

69
drivers/usb/serial/visor.c
View File

@ -335,47 +335,48 @@ static int palm_os_3_probe(struct usb_serial *serial,
goto exit;
}
if (retval == sizeof(*connection_info)) {
connection_info = (struct visor_connection_info *)
transfer_buffer;
num_ports = le16_to_cpu(connection_info->num_ports);
for (i = 0; i < num_ports; ++i) {
switch (
connection_info->connections[i].port_function_id) {
case VISOR_FUNCTION_GENERIC:
string = "Generic";
break;
case VISOR_FUNCTION_DEBUGGER:
string = "Debugger";
break;
case VISOR_FUNCTION_HOTSYNC:
string = "HotSync";
break;
case VISOR_FUNCTION_CONSOLE:
string = "Console";
break;
case VISOR_FUNCTION_REMOTE_FILE_SYS:
string = "Remote File System";
break;
default:
string = "unknown";
break;
}
dev_info(dev, "%s: port %d, is for %s use\n",
serial->type->description,
connection_info->connections[i].port, string);
}
if (retval != sizeof(*connection_info)) {
dev_err(dev, "Invalid connection information received from device\n");
retval = -ENODEV;
goto exit;
}
/*
* Handle devices that report invalid stuff here.
*/
connection_info = (struct visor_connection_info *)transfer_buffer;
num_ports = le16_to_cpu(connection_info->num_ports);
/* Handle devices that report invalid stuff here. */
if (num_ports == 0 || num_ports > 2) {
dev_warn(dev, "%s: No valid connect info available\n",
serial->type->description);
num_ports = 2;
}
for (i = 0; i < num_ports; ++i) {
switch (connection_info->connections[i].port_function_id) {
case VISOR_FUNCTION_GENERIC:
string = "Generic";
break;
case VISOR_FUNCTION_DEBUGGER:
string = "Debugger";
break;
case VISOR_FUNCTION_HOTSYNC:
string = "HotSync";
break;
case VISOR_FUNCTION_CONSOLE:
string = "Console";
break;
case VISOR_FUNCTION_REMOTE_FILE_SYS:
string = "Remote File System";
break;
default:
string = "unknown";
break;
}
dev_info(dev, "%s: port %d, is for %s use\n",
serial->type->description,
connection_info->connections[i].port, string);
}
dev_info(dev, "%s: Number of ports: %d\n", serial->type->description,
num_ports);