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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-01-06 18:53:26 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-01-06 18:53:26 +0100
commit10a05404c4fe184ae9087fb49f1df5b84c1534dc (patch)
treeba9e6f1fc3049a99f1cc410fdfc912fce16ece3a /drivers/usb
parent96ebc9c871d8a28fb22aa758dd9188a4732df482 (diff)
parent54d0a3ab80f49f19ee916def62fe067596833403 (diff)
Merge tag 'usb-serial-5.11-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes: USB-serial fixes for 5.11-rc3 Here's a fix for a DMA-from-stack issue in iuu_phoenix and a couple of new modem device ids. All have been in linux-next with no reported issues. * tag 'usb-serial-5.11-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial: USB: serial: iuu_phoenix: fix DMA from stack USB: serial: option: add LongSung M5710 module support USB: serial: option: add Quectel EM160R-GL
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/serial/iuu_phoenix.c20
-rw-r--r--drivers/usb/serial/option.c3
2 files changed, 18 insertions, 5 deletions
diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index f1201d4de297..e8f06b41a503 100644
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -532,23 +532,29 @@ static int iuu_uart_flush(struct usb_serial_port *port)
struct device *dev = &port->dev;
int i;
int status;
- u8 rxcmd = IUU_UART_RX;
+ u8 *rxcmd;
struct iuu_private *priv = usb_get_serial_port_data(port);
if (iuu_led(port, 0xF000, 0, 0, 0xFF) < 0)
return -EIO;
+ rxcmd = kmalloc(1, GFP_KERNEL);
+ if (!rxcmd)
+ return -ENOMEM;
+
+ rxcmd[0] = IUU_UART_RX;
+
for (i = 0; i < 2; i++) {
- status = bulk_immediate(port, &rxcmd, 1);
+ status = bulk_immediate(port, rxcmd, 1);
if (status != IUU_OPERATION_OK) {
dev_dbg(dev, "%s - uart_flush_write error\n", __func__);
- return status;
+ goto out_free;
}
status = read_immediate(port, &priv->len, 1);
if (status != IUU_OPERATION_OK) {
dev_dbg(dev, "%s - uart_flush_read error\n", __func__);
- return status;
+ goto out_free;
}
if (priv->len > 0) {
@@ -556,12 +562,16 @@ static int iuu_uart_flush(struct usb_serial_port *port)
status = read_immediate(port, priv->buf, priv->len);
if (status != IUU_OPERATION_OK) {
dev_dbg(dev, "%s - uart_flush_read error\n", __func__);
- return status;
+ goto out_free;
}
}
}
dev_dbg(dev, "%s - uart_flush_read OK!\n", __func__);
iuu_led(port, 0, 0xF000, 0, 0xFF);
+
+out_free:
+ kfree(rxcmd);
+
return status;
}
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 2c21e34235bb..3fe959104311 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1117,6 +1117,8 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM12, 0xff, 0xff, 0xff),
.driver_info = RSVD(1) | RSVD(2) | RSVD(3) | RSVD(4) | NUMEP2 },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM12, 0xff, 0, 0) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, 0x0620, 0xff, 0xff, 0x30) }, /* EM160R-GL */
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, 0x0620, 0xff, 0, 0) },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM500Q, 0xff, 0xff, 0x30) },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM500Q, 0xff, 0, 0) },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM500Q, 0xff, 0xff, 0x10),
@@ -2057,6 +2059,7 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0105, 0xff), /* Fibocom NL678 series */
.driver_info = RSVD(6) },
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a0, 0xff) }, /* Fibocom NL668-AM/NL652-EU (laptop MBIM) */
+ { USB_DEVICE_INTERFACE_CLASS(0x2df3, 0x9d03, 0xff) }, /* LongSung M5710 */
{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1404, 0xff) }, /* GosunCn GM500 RNDIS */
{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1405, 0xff) }, /* GosunCn GM500 MBIM */
{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1406, 0xff) }, /* GosunCn GM500 ECM/NCM */